Statistical data set
MOT class 3 and 4 vehicles: initial failures by defect category
Updated 12 September 2024
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| Financial year | Period | Defect category | Overall % of tests | Overall % of defects | Dangerous defects % of tests | Dangerous defects % of defects | Major defects % of tests | Major defects % of defects |
|---|---|---|---|---|---|---|---|---|
| 2023 to 2024 | Total | Body, chassis, structure | 3.46% | 6.32% | 0.19% | 1.91% | 3.32% | 7.15% |
| 2023 to 2024 | Total | Brakes | 6.83% | 16.38% | 2.64% | 29.12% | 5.11% | 13.96% |
| 2023 to 2024 | Total | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Total | Identification of the vehicle | 0.36% | 0.64% | Not set | Not set | 0.36% | 0.76% |
| 2023 to 2024 | Total | Lamps, reflectors and electrical equipment | 11.19% | 25.11% | 0.15% | 1.35% | 11.11% | 29.62% |
| 2023 to 2024 | Total | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Total | Motorcycle lamps and reflectors | 0.00% | 0.00% | Not set | Not set | 0.00% | 0.00% |
| 2023 to 2024 | Total | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2023 to 2024 | Total | Noise, emissions and leaks | 3.14% | 5.68% | 0.03% | 0.30% | 3.13% | 6.70% |
| 2023 to 2024 | Total | Road Wheels | 0.36% | 0.70% | 0.07% | 0.75% | 0.30% | 0.69% |
| 2023 to 2024 | Total | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2023 to 2024 | Total | Seat belts and supplementary restraint systems | 1.02% | 1.68% | 0.03% | 0.34% | 0.99% | 1.94% |
| 2023 to 2024 | Total | Speedometer and speed limiter | 0.00% | 0.01% | Not set | Not set | 0.00% | 0.01% |
| 2023 to 2024 | Total | Steering | 1.88% | 3.23% | 0.10% | 0.99% | 1.80% | 3.66% |
| 2023 to 2024 | Total | Suspension | 9.02% | 19.53% | 0.51% | 5.34% | 8.73% | 22.22% |
| 2023 to 2024 | Total | Tyres | 6.37% | 12.56% | 4.83% | 59.78% | 1.82% | 3.60% |
| 2023 to 2024 | Total | Visibility | 4.75% | 8.15% | 0.01% | 0.12% | 4.74% | 9.67% |
| 2023 to 2024 | Total | Overall Initial Failure Rate | 28.58% | Not set | 7.87% | Not set | 20.72% | Not set |
| 2023 to 2024 | Total | Average defects per Initial Test Failure | Not set | 2.45 | Not set | 0.39 | Not set | 2.06 |
| 2023 to 2024 | Quarter 4: January to March | Body, chassis, structure | 3.45% | 6.28% | 0.19% | 1.84% | 3.32% | 7.14% |
| 2023 to 2024 | Quarter 4: January to March | Brakes | 6.96% | 16.73% | 2.71% | 29.44% | 5.21% | 14.28% |
| 2023 to 2024 | Quarter 4: January to March | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Quarter 4: January to March | Identification of the vehicle | 0.36% | 0.64% | Not set | Not set | 0.36% | 0.77% |
| 2023 to 2024 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 11.11% | 24.86% | 0.14% | 1.28% | 11.04% | 29.40% |
| 2023 to 2024 | Quarter 4: January to March | Noise, emissions and leaks | 3.17% | 5.71% | 0.03% | 0.29% | 3.15% | 6.75% |
| 2023 to 2024 | Quarter 4: January to March | Road Wheels | 0.37% | 0.71% | 0.07% | 0.76% | 0.30% | 0.71% |
| 2023 to 2024 | Quarter 4: January to March | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2023 to 2024 | Quarter 4: January to March | Seat belts and supplementary restraint systems | 1.02% | 1.66% | 0.03% | 0.33% | 0.99% | 1.92% |
| 2023 to 2024 | Quarter 4: January to March | Speedometer and speed limiter | 0.00% | 0.01% | Not set | Not set | 0.00% | 0.01% |
| 2023 to 2024 | Quarter 4: January to March | Steering | 1.97% | 3.39% | 0.11% | 1.04% | 1.88% | 3.84% |
| 2023 to 2024 | Quarter 4: January to March | Suspension | 8.92% | 19.32% | 0.51% | 5.30% | 8.63% | 22.02% |
| 2023 to 2024 | Quarter 4: January to March | Tyres | 6.37% | 12.54% | 4.88% | 59.60% | 1.77% | 3.48% |
| 2023 to 2024 | Quarter 4: January to March | Visibility | 4.76% | 8.13% | 0.01% | 0.11% | 4.76% | 9.68% |
| 2023 to 2024 | Quarter 4: January to March | Overall Initial Failure Rate | 28.53% | Not set | 7.97% | Not set | 20.56% | Not set |
| 2023 to 2024 | Quarter 4: January to March | Average defects per Initial Test Failure | Not set | 2.46 | Not set | 0.4 | Not set | 2.06 |
| 2023 to 2024 | Quarter 3: October to December | Body, chassis, structure | 3.69% | 6.44% | 0.20% | 1.95% | 3.55% | 7.29% |
| 2023 to 2024 | Quarter 3: October to December | Brakes | 7.18% | 16.49% | 2.75% | 29.21% | 5.39% | 14.11% |
| 2023 to 2024 | Quarter 3: October to December | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Quarter 3: October to December | Identification of the vehicle | 0.37% | 0.64% | Not set | Not set | 0.37% | 0.76% |
| 2023 to 2024 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 11.75% | 25.28% | 0.14% | 1.28% | 11.67% | 29.79% |
| 2023 to 2024 | Quarter 3: October to December | Noise, emissions and leaks | 3.36% | 5.79% | 0.04% | 0.32% | 3.34% | 6.81% |
| 2023 to 2024 | Quarter 3: October to December | Road Wheels | 0.37% | 0.69% | 0.07% | 0.74% | 0.30% | 0.68% |
| 2023 to 2024 | Quarter 3: October to December | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2023 to 2024 | Quarter 3: October to December | Seat belts and supplementary restraint systems | 1.09% | 1.70% | 0.04% | 0.33% | 1.05% | 1.96% |
| 2023 to 2024 | Quarter 3: October to December | Speedometer and speed limiter | 0.00% | 0.01% | Not set | Not set | 0.00% | 0.01% |
| 2023 to 2024 | Quarter 3: October to December | Steering | 2.09% | 3.44% | 0.11% | 1.06% | 2.00% | 3.88% |
| 2023 to 2024 | Quarter 3: October to December | Suspension | 9.59% | 19.95% | 0.55% | 5.59% | 9.27% | 22.64% |
| 2023 to 2024 | Quarter 3: October to December | Tyres | 6.47% | 12.18% | 4.97% | 59.39% | 1.77% | 3.31% |
| 2023 to 2024 | Quarter 3: October to December | Visibility | 4.56% | 7.38% | 0.01% | 0.12% | 4.55% | 8.75% |
| 2023 to 2024 | Quarter 3: October to December | Overall Initial Failure Rate | 29.53% | Not set | 8.16% | Not set | 21.37% | Not set |
| 2023 to 2024 | Quarter 3: October to December | Average defects per Initial Test Failure | Not set | 2.48 | Not set | 0.39 | Not set | 2.09 |
| 2023 to 2024 | Quarter 2: July to September | Body, chassis, structure | 3.32% | 6.29% | 0.18% | 1.90% | 3.19% | 7.13% |
| 2023 to 2024 | Quarter 2: July to September | Brakes | 6.53% | 16.17% | 2.54% | 29.07% | 4.85% | 13.72% |
| 2023 to 2024 | Quarter 2: July to September | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Quarter 2: July to September | Identification of the vehicle | 0.33% | 0.63% | Not set | Not set | 0.33% | 0.74% |
| 2023 to 2024 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 10.82% | 25.12% | 0.14% | 1.37% | 10.75% | 29.63% |
| 2023 to 2024 | Quarter 2: July to September | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Quarter 2: July to September | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2023 to 2024 | Quarter 2: July to September | Noise, emissions and leaks | 3.00% | 5.62% | 0.03% | 0.30% | 2.99% | 6.63% |
| 2023 to 2024 | Quarter 2: July to September | Road Wheels | 0.33% | 0.67% | 0.07% | 0.72% | 0.27% | 0.66% |
| 2023 to 2024 | Quarter 2: July to September | Seat belt installation check | 0.00% | 0.01% | Not set | Not set | 0.00% | 0.01% |
| 2023 to 2024 | Quarter 2: July to September | Seat belts and supplementary restraint systems | 0.96% | 1.63% | 0.03% | 0.33% | 0.93% | 1.88% |
| 2023 to 2024 | Quarter 2: July to September | Speedometer and speed limiter | 0.00% | 0.01% | Not set | Not set | 0.00% | 0.01% |
| 2023 to 2024 | Quarter 2: July to September | Steering | 1.76% | 3.14% | 0.09% | 0.92% | 1.69% | 3.56% |
| 2023 to 2024 | Quarter 2: July to September | Suspension | 8.92% | 19.92% | 0.49% | 5.29% | 8.63% | 22.70% |
| 2023 to 2024 | Quarter 2: July to September | Tyres | 6.27% | 12.81% | 4.68% | 60.00% | 1.86% | 3.85% |
| 2023 to 2024 | Quarter 2: July to September | Visibility | 4.49% | 7.99% | 0.01% | 0.11% | 4.49% | 9.48% |
| 2023 to 2024 | Quarter 2: July to September | Overall Initial Failure Rate | 28.04% | Not set | 7.61% | Not set | 20.44% | Not set |
| 2023 to 2024 | Quarter 2: July to September | Average defects per Initial Test Failure | Not set | 2.4 | Not set | 0.38 | Not set | 2.02 |
| 2023 to 2024 | Quarter 1: April to June | Body, chassis, structure | 3.34% | 6.23% | 0.19% | 1.96% | 3.21% | 7.03% |
| 2023 to 2024 | Quarter 1: April to June | Brakes | 6.61% | 16.00% | 2.54% | 28.62% | 4.95% | 13.63% |
| 2023 to 2024 | Quarter 1: April to June | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Quarter 1: April to June | Identification of the vehicle | 0.36% | 0.66% | Not set | Not set | 0.36% | 0.79% |
| 2023 to 2024 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 11.08% | 25.23% | 0.16% | 1.51% | 10.99% | 29.68% |
| 2023 to 2024 | Quarter 1: April to June | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2023 to 2024 | Quarter 1: April to June | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2023 to 2024 | Quarter 1: April to June | Noise, emissions and leaks | 3.02% | 5.56% | 0.03% | 0.28% | 3.01% | 6.55% |
| 2023 to 2024 | Quarter 1: April to June | Road Wheels | 0.38% | 0.74% | 0.07% | 0.79% | 0.31% | 0.73% |
| 2023 to 2024 | Quarter 1: April to June | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2023 to 2024 | Quarter 1: April to June | Seat belts and supplementary restraint systems | 1.04% | 1.74% | 0.04% | 0.37% | 1.01% | 2.00% |
| 2023 to 2024 | Quarter 1: April to June | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2023 to 2024 | Quarter 1: April to June | Steering | 1.66% | 2.87% | 0.09% | 0.90% | 1.59% | 3.24% |
| 2023 to 2024 | Quarter 1: April to June | Suspension | 8.59% | 18.78% | 0.48% | 5.14% | 8.31% | 21.35% |
| 2023 to 2024 | Quarter 1: April to June | Tyres | 6.40% | 12.78% | 4.78% | 60.29% | 1.91% | 3.84% |
| 2023 to 2024 | Quarter 1: April to June | Visibility | 5.30% | 9.39% | 0.01% | 0.13% | 5.30% | 11.13% |
| 2023 to 2024 | Quarter 1: April to June | Overall Initial Failure Rate | 28.18% | Not set | 7.71% | Not set | 20.47% | Not set |
| 2023 to 2024 | Quarter 1: April to June | Average defects per Initial Test Failure | Not set | 2.46 | Not set | 0.39 | Not set | 2.07 |
| 2022 to 2023 | Total | Body, chassis, structure | 3.46% | 6.42% | 0.19% | 1.96% | 3.33% | 7.26% |
| 2022 to 2023 | Total | Brakes | 6.66% | 16.05% | 2.55% | 28.71% | 4.97% | 13.67% |
| 2022 to 2023 | Total | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2022 to 2023 | Total | Identification of the vehicle | 0.37% | 0.69% | Not set | Not set | 0.37% | 0.82% |
| 2022 to 2023 | Total | Lamps, reflectors and electrical equipment | 11.41% | 25.81% | 0.16% | 1.48% | 11.32% | 30.38% |
| 2022 to 2023 | Total | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2022 to 2023 | Total | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2022 to 2023 | Total | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2022 to 2023 | Total | Noise, emissions and leaks | 3.05% | 5.55% | 0.04% | 0.34% | 3.03% | 6.53% |
| 2022 to 2023 | Total | Road Wheels | 0.35% | 0.69% | 0.07% | 0.72% | 0.28% | 0.68% |
| 2022 to 2023 | Total | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Total | Seat belts and supplementary restraint systems | 1.06% | 1.78% | 0.04% | 0.35% | 1.03% | 2.05% |
| 2022 to 2023 | Total | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Total | Steering | 1.74% | 3.00% | 0.09% | 0.94% | 1.67% | 3.39% |
| 2022 to 2023 | Total | Suspension | 8.67% | 18.98% | 0.49% | 5.26% | 8.38% | 21.55% |
| 2022 to 2023 | Total | Tyres | 6.23% | 12.44% | 4.75% | 60.10% | 1.74% | 3.48% |
| 2022 to 2023 | Total | Visibility | 4.89% | 8.57% | 0.01% | 0.13% | 4.88% | 10.16% |
| 2022 to 2023 | Total | Overall Initial Failure Rate | 28.38% | Not set | 7.71% | Not set | 20.67% | Not set |
| 2022 to 2023 | Total | Average defects per Initial Test Failure | Not set | 2.44 | Not set | 0.39 | Not set | 2.06 |
| 2022 to 2023 | Quarter 4: January to March | Body, chassis, structure | 3.44% | 6.38% | 0.19% | 1.93% | 3.31% | 7.24% |
| 2022 to 2023 | Quarter 4: January to March | Brakes | 6.80% | 16.41% | 2.62% | 29.02% | 5.07% | 14.00% |
| 2022 to 2023 | Quarter 4: January to March | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 4: January to March | Identification of the vehicle | 0.38% | 0.69% | Not set | Not set | 0.38% | 0.82% |
| 2022 to 2023 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 11.38% | 25.64% | 0.15% | 1.38% | 11.30% | 30.29% |
| 2022 to 2023 | Quarter 4: January to March | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2022 to 2023 | Quarter 4: January to March | Noise, emissions and leaks | 3.08% | 5.62% | 0.03% | 0.31% | 3.06% | 6.64% |
| 2022 to 2023 | Quarter 4: January to March | Road Wheels | 0.36% | 0.71% | 0.07% | 0.71% | 0.30% | 0.71% |
| 2022 to 2023 | Quarter 4: January to March | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Quarter 4: January to March | Seat belts and supplementary restraint systems | 1.09% | 1.82% | 0.04% | 0.35% | 1.06% | 2.10% |
| 2022 to 2023 | Quarter 4: January to March | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Quarter 4: January to March | Steering | 1.72% | 2.96% | 0.10% | 0.93% | 1.64% | 3.35% |
| 2022 to 2023 | Quarter 4: January to March | Suspension | 8.58% | 18.70% | 0.49% | 5.17% | 8.29% | 21.29% |
| 2022 to 2023 | Quarter 4: January to March | Tyres | 6.23% | 12.42% | 4.83% | 60.06% | 1.66% | 3.28% |
| 2022 to 2023 | Quarter 4: January to March | Visibility | 4.99% | 8.63% | 0.01% | 0.13% | 4.98% | 10.26% |
| 2022 to 2023 | Quarter 4: January to March | Overall Initial Failure Rate | 28.39% | Not set | 7.83% | Not set | 20.56% | Not set |
| 2022 to 2023 | Quarter 4: January to March | Average defects per Initial Test Failure | Not set | 0.02 | Not set | 0.39 | Not set | 0.02 |
| 2022 to 2023 | Quarter 3: October to December | Body, chassis, structure | 3.67% | 6.58% | 0.20% | 1.96% | 3.54% | 7.45% |
| 2022 to 2023 | Quarter 3: October to December | Brakes | 6.86% | 15.94% | 2.64% | 28.54% | 5.11% | 13.57% |
| 2022 to 2023 | Quarter 3: October to December | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 3: October to December | Identification of the vehicle | 0.39% | 0.69% | Not set | Not set | 0.39% | 0.81% |
| 2022 to 2023 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 11.93% | 26.12% | 0.16% | 1.41% | 11.84% | 30.78% |
| 2022 to 2023 | Quarter 3: October to December | Motorcycle brakes | 0.00% | 0.00% | Not set | Not set | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 3: October to December | Motorcycle lamps and reflectors | 0.00% | 0.00% | Not set | Not set | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 3: October to December | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2022 to 2023 | Quarter 3: October to December | Noise, emissions and leaks | 3.25% | 5.69% | 0.04% | 0.36% | 3.23% | 6.70% |
| 2022 to 2023 | Quarter 3: October to December | Road Wheels | 0.36% | 0.68% | 0.07% | 0.71% | 0.29% | 0.67% |
| 2022 to 2023 | Quarter 3: October to December | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Quarter 3: October to December | Seat belts and supplementary restraint systems | 1.12% | 1.81% | 0.03% | 0.33% | 1.09% | 2.09% |
| 2022 to 2023 | Quarter 3: October to December | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Quarter 3: October to December | Steering | 1.89% | 3.14% | 0.10% | 0.97% | 1.81% | 3.55% |
| 2022 to 2023 | Quarter 3: October to December | Suspension | 9.02% | 19.16% | 0.52% | 5.43% | 8.71% | 21.74% |
| 2022 to 2023 | Quarter 3: October to December | Tyres | 6.35% | 12.26% | 4.92% | 60.18% | 1.69% | 3.23% |
| 2022 to 2023 | Quarter 3: October to December | Visibility | 4.73% | 7.91% | 0.01% | 0.12% | 4.72% | 9.38% |
| 2022 to 2023 | Quarter 3: October to December | Overall Initial Failure Rate | 29.17% | Not set | 7.98% | Not set | 21.19% | Not set |
| 2022 to 2023 | Quarter 3: October to December | Average defects per Initial Test Failure | Not set | 2.46 | Not set | 0.39 | Not set | 2.07 |
| 2022 to 2023 | Quarter 2: July to September | Body, chassis, structure | 3.37% | 6.43% | 0.18% | 1.97% | 3.24% | 7.26% |
| 2022 to 2023 | Quarter 2: July to September | Brakes | 6.40% | 15.86% | 2.45% | 28.65% | 4.77% | 13.47% |
| 2022 to 2023 | Quarter 2: July to September | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 2: July to September | Identification of the vehicle | 0.34% | 0.66% | Not set | Not set | 0.34% | 0.78% |
| 2022 to 2023 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 11.05% | 25.75% | 0.16% | 1.56% | 10.96% | 30.27% |
| 2022 to 2023 | Quarter 2: July to September | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2022 to 2023 | Quarter 2: July to September | Motorcycle lamps and reflectors | 0.00% | 0.00% | Not set | Not set | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 2: July to September | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | Not set | Not set |
| 2022 to 2023 | Quarter 2: July to September | Noise, emissions and leaks | 2.92% | 5.49% | 0.04% | 0.34% | 2.90% | 6.45% |
| 2022 to 2023 | Quarter 2: July to September | Road Wheels | 0.32% | 0.65% | 0.06% | 0.69% | 0.26% | 0.64% |
| 2022 to 2023 | Quarter 2: July to September | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Quarter 2: July to September | Seat belts and supplementary restraint systems | 0.99% | 1.72% | 0.03% | 0.35% | 0.96% | 1.98% |
| 2022 to 2023 | Quarter 2: July to September | Speedometer and speed limiter | 0.00% | 0.01% | Not set | Not set | 0.00% | 0.01% |
| 2022 to 2023 | Quarter 2: July to September | Steering | 1.68% | 2.98% | 0.09% | 0.91% | 1.61% | 3.37% |
| 2022 to 2023 | Quarter 2: July to September | Suspension | 8.60% | 19.36% | 0.47% | 5.26% | 8.32% | 22.00% |
| 2022 to 2023 | Quarter 2: July to September | Tyres | 6.12% | 12.60% | 4.59% | 60.14% | 1.79% | 3.71% |
| 2022 to 2023 | Quarter 2: July to September | Visibility | 4.66% | 8.50% | 0.01% | 0.12% | 4.65% | 10.07% |
| 2022 to 2023 | Quarter 2: July to September | Overall Initial Failure Rate | 27.88% | Not set | 7.45% | Not set | 20.43% | Not set |
| 2022 to 2023 | Quarter 2: July to September | Average defects per Initial Test Failure | Not set | 2.4 | Not set | 0.38 | Not set | 2.02 |
| 2022 to 2023 | Quarter 1: April to June | Body, chassis, structure | 3.33% | 6.24% | 0.19% | 2.00% | 3.19% | 7.02% |
| 2022 to 2023 | Quarter 1: April to June | Brakes | 6.54% | 15.94% | 2.48% | 28.56% | 4.93% | 13.62% |
| 2022 to 2023 | Quarter 1: April to June | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 1: April to June | Identification of the vehicle | 0.39% | 0.73% | Not set | Not set | 0.39% | 0.86% |
| 2022 to 2023 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 11.21% | 25.69% | 0.17% | 1.64% | 11.12% | 30.11% |
| 2022 to 2023 | Quarter 1: April to June | Motorcycle brakes | 0.00% | 0.00% | Not set | Not set | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 1: April to June | Motorcycle lamps and reflectors | 0.00% | 0.00% | Not set | Not set | 0.00% | 0.00% |
| 2022 to 2023 | Quarter 1: April to June | Noise, emissions and leaks | 2.88% | 5.32% | 0.04% | 0.34% | 2.86% | 6.23% |
| 2022 to 2023 | Quarter 1: April to June | Road Wheels | 0.36% | 0.71% | 0.07% | 0.80% | 0.29% | 0.70% |
| 2022 to 2023 | Quarter 1: April to June | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Quarter 1: April to June | Seat belts and supplementary restraint systems | 1.05% | 1.78% | 0.04% | 0.39% | 1.02% | 2.03% |
| 2022 to 2023 | Quarter 1: April to June | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2022 to 2023 | Quarter 1: April to June | Steering | 1.68% | 2.90% | 0.09% | 0.95% | 1.60% | 3.26% |
| 2022 to 2023 | Quarter 1: April to June | Suspension | 8.43% | 18.63% | 0.47% | 5.17% | 8.16% | 21.10% |
| 2022 to 2023 | Quarter 1: April to June | Tyres | 6.22% | 12.53% | 4.62% | 60.00% | 1.87% | 3.80% |
| 2022 to 2023 | Quarter 1: April to June | Visibility | 5.27% | 9.52% | 0.02% | 0.15% | 5.26% | 11.24% |
| 2022 to 2023 | Quarter 1: April to June | Overall Initial Failure Rate | 27.94% | Not set | 7.52% | Not set | 20.42% | Not set |
| 2022 to 2023 | Quarter 1: April to June | Average defects per Initial Test Failure | Not set | 2.47 | Not set | 0.38 | Not set | 2.09 |
| 2021 to 2022 | Total | Body, chassis, structure | 3.65% | 6.46% | 0.21% | 2.11% | 3.51% | 7.25% |
| 2021 to 2022 | Total | Brakes | 7.06% | 16.42% | 2.58% | 28.35% | 5.40% | 14.25% |
| 2021 to 2022 | Total | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Total | Identification of the vehicle | 0.40% | 0.69% | Not set | Not set | 0.40% | 0.82% |
| 2021 to 2022 | Total | Lamps, reflectors and electrical equipment | 11.80% | 25.46% | 0.17% | 1.57% | 11.71% | 29.82% |
| 2021 to 2022 | Total | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Total | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Total | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Total | Noise, emissions and leaks | 3.07% | 5.33% | 0.04% | 0.38% | 3.04% | 6.23% |
| 2021 to 2022 | Total | Road Wheels | 0.34% | 0.64% | 0.06% | 0.66% | 0.28% | 0.63% |
| 2021 to 2022 | Total | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2021 to 2022 | Total | Seat belts and supplementary restraint systems | 1.12% | 1.80% | 0.04% | 0.36% | 1.09% | 2.07% |
| 2021 to 2022 | Total | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2021 to 2022 | Total | Steering | 1.85% | 3.03% | 0.10% | 1.01% | 1.77% | 3.40% |
| 2021 to 2022 | Total | Suspension | 9.32% | 19.46% | 0.50% | 5.27% | 9.03% | 22.05% |
| 2021 to 2022 | Total | Tyres | 6.32% | 12.07% | 4.85% | 60.14% | 1.73% | 3.29% |
| 2021 to 2022 | Total | Visibility | 5.10% | 8.61% | 0.02% | 0.15% | 5.09% | 10.16% |
| 2021 to 2022 | Total | Overall Initial Failure Rate | 29.21% | Not set | 7.86% | Not set | 21.35% | Not set |
| 2021 to 2022 | Total | Average defects per Initial Test Failure | Not set | 2.5 | Not set | 0.39 | Not set | 2.11 |
| 2021 to 2022 | Quarter 4: January to March | Body, chassis, structure | 3.60% | 6.40% | 0.20% | 1.98% | 3.46% | 7.23% |
| 2021 to 2022 | Quarter 4: January to March | Brakes | 7.07% | 16.53% | 2.66% | 28.57% | 5.35% | 14.27% |
| 2021 to 2022 | Quarter 4: January to March | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 4: January to March | Identification of the vehicle | 0.40% | 0.71% | 0.00% | 0.00% | 0.40% | 0.84% |
| 2021 to 2022 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 11.71% | 25.38% | 0.16% | 1.46% | 11.62% | 29.89% |
| 2021 to 2022 | Quarter 4: January to March | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 4: January to March | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 4: January to March | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 4: January to March | Noise, emissions and leaks | 3.07% | 5.39% | 0.04% | 0.36% | 3.05% | 6.33% |
| 2021 to 2022 | Quarter 4: January to March | Road Wheels | 0.35% | 0.66% | 0.07% | 0.67% | 0.29% | 0.66% |
| 2021 to 2022 | Quarter 4: January to March | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 4: January to March | Seat belts and supplementary restraint systems | 1.12% | 1.80% | 0.04% | 0.36% | 1.09% | 2.07% |
| 2021 to 2022 | Quarter 4: January to March | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 4: January to March | Steering | 1.89% | 3.10% | 0.11% | 1.04% | 1.80% | 3.49% |
| 2021 to 2022 | Quarter 4: January to March | Suspension | 9.12% | 19.17% | 0.51% | 5.19% | 8.83% | 21.80% |
| 2021 to 2022 | Quarter 4: January to March | Tyres | 6.37% | 12.27% | 4.94% | 60.23% | 1.69% | 3.23% |
| 2021 to 2022 | Quarter 4: January to March | Visibility | 5.07% | 8.58% | 0.02% | 0.14% | 5.06% | 10.17% |
| 2021 to 2022 | Quarter 4: January to March | Overall Initial Failure Rate | 29.00% | Not set | 8.00% | Not set | 21.00% | Not set |
| 2021 to 2022 | Quarter 4: January to March | Average defects per Initial Test Failure | Not set | 2.5 | Not set | 0.4 | Not set | 2.11 |
| 2021 to 2022 | Quarter 3: October to December | Body, chassis, structure | 3.93% | 6.62% | 0.22% | 2.14% | 3.77% | 7.44% |
| 2021 to 2022 | Quarter 3: October to December | Brakes | 7.40% | 16.34% | 2.71% | 28.22% | 5.65% | 14.18% |
| 2021 to 2022 | Quarter 3: October to December | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 3: October to December | Identification of the vehicle | 0.41% | 0.68% | 0.00% | 0.00% | 0.41% | 0.80% |
| 2021 to 2022 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 12.41% | 25.50% | 0.17% | 1.51% | 12.31% | 29.88% |
| 2021 to 2022 | Quarter 3: October to December | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 3: October to December | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 3: October to December | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 3: October to December | Noise, emissions and leaks | 3.30% | 5.43% | 0.05% | 0.39% | 3.27% | 6.35% |
| 2021 to 2022 | Quarter 3: October to December | Road Wheels | 0.36% | 0.64% | 0.07% | 0.65% | 0.29% | 0.64% |
| 2021 to 2022 | Quarter 3: October to December | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 3: October to December | Seat belts and supplementary restraint systems | 1.20% | 1.84% | 0.04% | 0.36% | 1.17% | 2.11% |
| 2021 to 2022 | Quarter 3: October to December | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 3: October to December | Steering | 2.07% | 3.22% | 0.12% | 1.06% | 1.98% | 3.61% |
| 2021 to 2022 | Quarter 3: October to December | Suspension | 9.93% | 19.89% | 0.55% | 5.47% | 9.62% | 22.52% |
| 2021 to 2022 | Quarter 3: October to December | Tyres | 6.54% | 11.87% | 5.09% | 60.05% | 1.72% | 3.08% |
| 2021 to 2022 | Quarter 3: October to December | Visibility | 4.99% | 7.94% | 0.02% | 0.15% | 4.98% | 9.36% |
| 2021 to 2022 | Quarter 3: October to December | Overall Initial Failure Rate | 30.30% | Not set | 8.26% | Not set | 22.04% | Not set |
| 2021 to 2022 | Quarter 3: October to December | Average defects per Initial Test Failure | Not set | 2.53 | Not set | 0.39 | Not set | 2.14 |
| 2021 to 2022 | Quarter 2: July to September | Body, chassis, structure | 3.52% | 6.43% | 0.20% | 2.11% | 3.38% | 7.21% |
| 2021 to 2022 | Quarter 2: July to September | Brakes | 6.78% | 16.38% | 2.44% | 28.33% | 5.19% | 14.23% |
| 2021 to 2022 | Quarter 2: July to September | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 2: July to September | Identification of the vehicle | 0.37% | 0.67% | 0.00% | 0.00% | 0.37% | 0.79% |
| 2021 to 2022 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 11.36% | 25.39% | 0.17% | 1.61% | 11.26% | 29.67% |
| 2021 to 2022 | Quarter 2: July to September | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 2: July to September | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 2: July to September | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 2: July to September | Noise, emissions and leaks | 2.93% | 5.30% | 0.04% | 0.39% | 2.91% | 6.19% |
| 2021 to 2022 | Quarter 2: July to September | Road Wheels | 0.30% | 0.59% | 0.06% | 0.64% | 0.25% | 0.58% |
| 2021 to 2022 | Quarter 2: July to September | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 2: July to September | Seat belts and supplementary restraint systems | 1.04% | 1.74% | 0.03% | 0.35% | 1.01% | 1.99% |
| 2021 to 2022 | Quarter 2: July to September | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 2: July to September | Steering | 1.73% | 2.95% | 0.09% | 0.95% | 1.66% | 3.31% |
| 2021 to 2022 | Quarter 2: July to September | Suspension | 9.19% | 19.81% | 0.47% | 5.25% | 8.91% | 22.43% |
| 2021 to 2022 | Quarter 2: July to September | Tyres | 6.10% | 12.10% | 4.62% | 60.22% | 1.73% | 3.43% |
| 2021 to 2022 | Quarter 2: July to September | Visibility | 4.89% | 8.62% | 0.02% | 0.15% | 4.88% | 10.15% |
| 2021 to 2022 | Quarter 2: July to September | Overall Initial Failure Rate | 28.64% | Not set | 7.50% | Not set | 21.15% | Not set |
| 2021 to 2022 | Quarter 2: July to September | Average defects per Initial Test Failure | Not set | 2.44 | Not set | 0.37 | Not set | 2.07 |
| 2021 to 2022 | Quarter 1: April to June | Body, chassis, structure | 3.50% | 6.31% | 0.21% | 2.24% | 3.35% | 7.03% |
| 2021 to 2022 | Quarter 1: April to June | Brakes | 6.92% | 16.41% | 2.46% | 28.21% | 5.36% | 14.32% |
| 2021 to 2022 | Quarter 1: April to June | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 1: April to June | Identification of the vehicle | 0.41% | 0.73% | 0.00% | 0.00% | 0.41% | 0.86% |
| 2021 to 2022 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 11.67% | 25.64% | 0.19% | 1.79% | 11.57% | 29.87% |
| 2021 to 2022 | Quarter 1: April to June | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 1: April to June | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 1: April to June | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2021 to 2022 | Quarter 1: April to June | Noise, emissions and leaks | 2.89% | 5.12% | 0.04% | 0.36% | 2.87% | 5.96% |
| 2021 to 2022 | Quarter 1: April to June | Road Wheels | 0.35% | 0.68% | 0.07% | 0.72% | 0.28% | 0.67% |
| 2021 to 2022 | Quarter 1: April to June | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 1: April to June | Seat belts and supplementary restraint systems | 1.12% | 1.82% | 0.04% | 0.38% | 1.08% | 2.07% |
| 2021 to 2022 | Quarter 1: April to June | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2021 to 2022 | Quarter 1: April to June | Steering | 1.63% | 2.70% | 0.09% | 0.93% | 1.56% | 3.01% |
| 2021 to 2022 | Quarter 1: April to June | Suspension | 8.88% | 18.71% | 0.46% | 5.10% | 8.61% | 21.12% |
| 2021 to 2022 | Quarter 1: April to June | Tyres | 6.23% | 12.06% | 4.67% | 60.09% | 1.84% | 3.55% |
| 2021 to 2022 | Quarter 1: April to June | Visibility | 5.64% | 9.80% | 0.02% | 0.18% | 5.63% | 11.51% |
| 2021 to 2022 | Quarter 1: April to June | Overall Initial Failure Rate | 28.73% | Not set | 7.56% | Not set | 21.17% | Not set |
| 2021 to 2022 | Quarter 1: April to June | Average defects per Initial Test Failure | Not set | 2.52 | Not set | 0.38 | Not set | 2.14 |
| 2020 to 2021 | Total | Body, chassis, structure | 3.88% | 6.54% | 0.23% | 2.12% | 3.72% | 7.39% |
| 2020 to 2021 | Total | Brakes | 7.69% | 17.15% | 2.87% | 29.22% | 5.82% | 14.85% |
| 2020 to 2021 | Total | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Total | Identification of the vehicle | 0.42% | 0.67% | Not set | Not set | 0.42% | 0.80% |
| 2020 to 2021 | Total | Lamps, reflectors and electrical equipment | 12.62% | 26.02% | 0.19% | 1.62% | 12.52% | 30.68% |
| 2020 to 2021 | Total | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Total | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Total | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Total | Noise, emissions and leaks | 3.15% | 5.21% | 0.05% | 0.37% | 3.13% | 6.13% |
| 2020 to 2021 | Total | Road Wheels | 0.33% | 0.60% | 0.06% | 0.59% | 0.28% | 0.60% |
| 2020 to 2021 | Total | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2020 to 2021 | Total | Seat belts and supplementary restraint systems | 1.18% | 1.81% | 0.03% | 0.29% | 1.15% | 2.10% |
| 2020 to 2021 | Total | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2020 to 2021 | Total | Steering | 1.81% | 2.81% | 0.11% | 0.97% | 1.72% | 3.16% |
| 2020 to 2021 | Total | Suspension | 9.26% | 18.39% | 0.54% | 5.23% | 8.95% | 20.91% |
| 2020 to 2021 | Total | Tyres | 6.66% | 12.16% | 5.21% | 59.41% | 1.72% | 3.12% |
| 2020 to 2021 | Total | Visibility | 5.33% | 8.62% | 0.02% | 0.17% | 5.32% | 10.24% |
| 2020 to 2021 | Total | Overall Initial Failure Rate | 30.23% | Not set | 8.49% | Not set | 21.74% | Not set |
| 2020 to 2021 | Total | Average defects per Initial Test Failure | Not set | 2.54 | Not set | 0.41 | Not set | 2.13 |
| 2020 to 2021 | Quarter 4: January to March | Body, chassis, structure | 3.77% | 6.46% | 0.23% | 2.15% | 3.61% | 7.26% |
| 2020 to 2021 | Quarter 4: January to March | Brakes | 7.59% | 17.23% | 2.74% | 29.06% | 5.83% | 15.04% |
| 2020 to 2021 | Quarter 4: January to March | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 4: January to March | Identification of the vehicle | 0.43% | 0.71% | 0.00% | 0.00% | 0.43% | 0.85% |
| 2020 to 2021 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 12.29% | 25.72% | 0.18% | 1.59% | 12.19% | 30.18% |
| 2020 to 2021 | Quarter 4: January to March | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 4: January to March | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 4: January to March | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 4: January to March | Noise, emissions and leaks | 3.13% | 5.28% | 0.04% | 0.34% | 3.11% | 6.20% |
| 2020 to 2021 | Quarter 4: January to March | Road Wheels | 0.35% | 0.64% | 0.06% | 0.63% | 0.29% | 0.64% |
| 2020 to 2021 | Quarter 4: January to March | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 4: January to March | Seat belts and supplementary restraint systems | 1.21% | 1.88% | 0.03% | 0.32% | 1.18% | 2.17% |
| 2020 to 2021 | Quarter 4: January to March | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 4: January to March | Steering | 1.78% | 2.80% | 0.11% | 0.99% | 1.69% | 3.13% |
| 2020 to 2021 | Quarter 4: January to March | Suspension | 9.20% | 18.50% | 0.51% | 5.19% | 8.91% | 20.96% |
| 2020 to 2021 | Quarter 4: January to March | Tyres | 6.39% | 11.82% | 5.00% | 59.55% | 1.65% | 3.00% |
| 2020 to 2021 | Quarter 4: January to March | Visibility | 5.49% | 8.92% | 0.02% | 0.18% | 5.47% | 10.54% |
| 2020 to 2021 | Quarter 4: January to March | Overall Initial Failure Rate | 29.84% | Not set | 8.14% | Not set | 21.70% | Not set |
| 2020 to 2021 | Quarter 4: January to March | Average defects per Initial Test Failure | Not set | 2.53 | Not set | 0.4 | Not set | 2.14 |
| 2020 to 2021 | Quarter 3: October to December | Body, chassis, structure | 4.24% | 6.77% | 0.25% | 2.19% | 4.07% | 7.65% |
| 2020 to 2021 | Quarter 3: October to December | Brakes | 8.10% | 17.02% | 3.03% | 28.83% | 6.14% | 14.77% |
| 2020 to 2021 | Quarter 3: October to December | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 3: October to December | Identification of the vehicle | 0.45% | 0.68% | 0.00% | 0.00% | 0.45% | 0.81% |
| 2020 to 2021 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 13.53% | 26.47% | 0.20% | 1.54% | 13.42% | 31.22% |
| 2020 to 2021 | Quarter 3: October to December | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 3: October to December | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 3: October to December | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 3: October to December | Noise, emissions and leaks | 3.41% | 5.30% | 0.05% | 0.39% | 3.38% | 6.24% |
| 2020 to 2021 | Quarter 3: October to December | Road Wheels | 0.37% | 0.63% | 0.07% | 0.62% | 0.30% | 0.63% |
| 2020 to 2021 | Quarter 3: October to December | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 3: October to December | Seat belts and supplementary restraint systems | 1.30% | 1.88% | 0.03% | 0.29% | 1.27% | 2.18% |
| 2020 to 2021 | Quarter 3: October to December | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 3: October to December | Steering | 2.06% | 3.00% | 0.13% | 1.06% | 1.96% | 3.38% |
| 2020 to 2021 | Quarter 3: October to December | Suspension | 9.78% | 18.55% | 0.60% | 5.50% | 9.44% | 21.03% |
| 2020 to 2021 | Quarter 3: October to December | Tyres | 6.98% | 11.97% | 5.54% | 59.41% | 1.74% | 2.93% |
| 2020 to 2021 | Quarter 3: October to December | Visibility | 5.13% | 7.71% | 0.02% | 0.17% | 5.12% | 9.15% |
| 2020 to 2021 | Quarter 3: October to December | Overall Initial Failure Rate | 31.38% | Not set | 9.01% | Not set | 22.37% | Not set |
| 2020 to 2021 | Quarter 3: October to December | Average defects per Initial Test Failure | Not set | 2.61 | Not set | 0.42 | Not set | 2.19 |
| 2020 to 2021 | Quarter 2: July to September | Body, chassis, structure | 3.75% | 6.49% | 0.22% | 2.07% | 3.59% | 7.35% |
| 2020 to 2021 | Quarter 2: July to September | Brakes | 7.44% | 17.19% | 2.81% | 29.42% | 5.59% | 14.81% |
| 2020 to 2021 | Quarter 2: July to September | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 2: July to September | Identification of the vehicle | 0.38% | 0.64% | 0.00% | 0.00% | 0.38% | 0.77% |
| 2020 to 2021 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 12.13% | 25.75% | 0.19% | 1.62% | 12.03% | 30.45% |
| 2020 to 2021 | Quarter 2: July to September | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 2: July to September | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 2: July to September | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 2: July to September | Noise, emissions and leaks | 3.02% | 5.14% | 0.05% | 0.38% | 2.99% | 6.07% |
| 2020 to 2021 | Quarter 2: July to September | Road Wheels | 0.29% | 0.54% | 0.06% | 0.54% | 0.24% | 0.54% |
| 2020 to 2021 | Quarter 2: July to September | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 2: July to September | Seat belts and supplementary restraint systems | 1.08% | 1.72% | 0.03% | 0.27% | 1.05% | 2.00% |
| 2020 to 2021 | Quarter 2: July to September | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 2: July to September | Steering | 1.68% | 2.69% | 0.10% | 0.89% | 1.60% | 3.04% |
| 2020 to 2021 | Quarter 2: July to September | Suspension | 9.01% | 18.37% | 0.51% | 5.05% | 8.70% | 20.97% |
| 2020 to 2021 | Quarter 2: July to September | Tyres | 6.64% | 12.57% | 5.12% | 59.59% | 1.79% | 3.41% |
| 2020 to 2021 | Quarter 2: July to September | Visibility | 5.23% | 8.88% | 0.02% | 0.16% | 5.22% | 10.57% |
| 2020 to 2021 | Quarter 2: July to September | Overall Initial Failure Rate | 29.70% | Not set | 8.32% | Not set | 21.37% | Not set |
| 2020 to 2021 | Quarter 2: July to September | Average defects per Initial Test Failure | Not set | 2.48 | Not set | 0.4 | Not set | 2.08 |
| 2020 to 2021 | Quarter 1: April to June | Body, chassis, structure | 3.57% | 6.20% | 0.22% | 2.00% | 3.42% | 7.04% |
| 2020 to 2021 | Quarter 1: April to June | Brakes | 7.43% | 17.19% | 2.92% | 30.10% | 5.49% | 14.60% |
| 2020 to 2021 | Quarter 1: April to June | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 1: April to June | Identification of the vehicle | 0.37% | 0.61% | 0.00% | 0.00% | 0.37% | 0.74% |
| 2020 to 2021 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 12.27% | 26.12% | 0.23% | 1.92% | 12.14% | 30.98% |
| 2020 to 2021 | Quarter 1: April to June | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 1: April to June | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 1: April to June | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2020 to 2021 | Quarter 1: April to June | Noise, emissions and leaks | 2.85% | 4.91% | 0.04% | 0.36% | 2.83% | 5.82% |
| 2020 to 2021 | Quarter 1: April to June | Road Wheels | 0.30% | 0.56% | 0.06% | 0.56% | 0.25% | 0.57% |
| 2020 to 2021 | Quarter 1: April to June | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 1: April to June | Seat belts and supplementary restraint systems | 1.03% | 1.65% | 0.03% | 0.27% | 1.01% | 1.93% |
| 2020 to 2021 | Quarter 1: April to June | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2020 to 2021 | Quarter 1: April to June | Steering | 1.57% | 2.54% | 0.10% | 0.88% | 1.49% | 2.87% |
| 2020 to 2021 | Quarter 1: April to June | Suspension | 8.69% | 17.75% | 0.52% | 5.01% | 8.38% | 20.31% |
| 2020 to 2021 | Quarter 1: April to June | Tyres | 6.54% | 12.56% | 5.11% | 58.75% | 1.71% | 3.28% |
| 2020 to 2021 | Quarter 1: April to June | Visibility | 5.71% | 9.89% | 0.02% | 0.14% | 5.69% | 11.84% |
| 2020 to 2021 | Quarter 1: April to June | Overall Initial Failure Rate | 29.48% | Not set | 8.41% | Not set | 21.07% | Not set |
| 2020 to 2021 | Quarter 1: April to June | Average defects per Initial Test Failure | Not set | 2.49 | Not set | 0.42 | Not set | 2.07 |
| 2019 to 2020 | Total | Body, chassis, structure | 4.24% | 6.68% | 0.28% | 2.39% | 4.05% | 7.51% |
| 2019 to 2020 | Total | Brakes | 8.10% | 16.85% | 3.10% | 29.15% | 6.07% | 14.45% |
| 2019 to 2020 | Total | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Total | Identification of the vehicle | 0.47% | 0.70% | Not set | Not set | 0.47% | 0.84% |
| 2019 to 2020 | Total | Lamps, reflectors and electrical equipment | 13.95% | 27.09% | 0.25% | 1.91% | 13.82% | 31.99% |
| 2019 to 2020 | Total | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Total | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Total | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Total | Noise, emissions and leaks | 3.49% | 5.44% | 0.06% | 0.46% | 3.45% | 6.41% |
| 2019 to 2020 | Total | Road Wheels | 0.35% | 0.58% | 0.06% | 0.57% | 0.29% | 0.58% |
| 2019 to 2020 | Total | Seat belt installation check | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2019 to 2020 | Total | Seat belts and supplementary restraint systems | 1.32% | 1.92% | 0.04% | 0.29% | 1.29% | 2.24% |
| 2019 to 2020 | Total | Speedometer and speed limiter | 0.01% | 0.01% | Not set | Not set | 0.01% | 0.01% |
| 2019 to 2020 | Total | Steering | 1.99% | 2.88% | 0.13% | 1.05% | 1.89% | 3.24% |
| 2019 to 2020 | Total | Suspension | 9.58% | 17.92% | 0.60% | 5.40% | 9.22% | 20.35% |
| 2019 to 2020 | Total | Tyres | 6.89% | 11.77% | 5.57% | 58.58% | 1.58% | 2.67% |
| 2019 to 2020 | Total | Visibility | 5.36% | 8.14% | 0.03% | 0.19% | 5.34% | 9.69% |
| 2019 to 2020 | Total | Overall Initial Failure Rate | 31.70% | Not set | 9.18% | Not set | 22.52% | Not set |
| 2019 to 2020 | Total | Average defects per Initial Test Failure | Not set | 2.58 | Not set | 0.42 | Not set | 2.16 |
| 2019 to 2020 | Quarter 4: January to March | Body, chassis, structure | 3.60% | 6.45% | 0.24% | 2.06% | 3.76% | 7.35% |
| 2019 to 2020 | Quarter 4: January to March | Brakes | 6.80% | 17.10% | 3.00% | 28.90% | 5.80% | 14.70% |
| 2019 to 2020 | Quarter 4: January to March | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 4: January to March | Identification of the vehicle | 0.40% | 0.70% | 0.00% | 0.00% | 0.40% | 0.90% |
| 2019 to 2020 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 11.90% | 27.00% | 0.20% | 1.60% | 13.10% | 32.10% |
| 2019 to 2020 | Quarter 4: January to March | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 4: January to March | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 4: January to March | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 4: January to March | Noise, emissions and leaks | 2.90% | 5.20% | 0.10% | 0.40% | 3.10% | 6.10% |
| 2019 to 2020 | Quarter 4: January to March | Road Wheels | 0.30% | 0.60% | 0.10% | 0.50% | 0.30% | 0.60% |
| 2019 to 2020 | Quarter 4: January to March | Seat belt installation check | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 4: January to March | Seat belts and supplementary restraint systems | 1.10% | 1.80% | 0.00% | 0.30% | 1.20% | 2.10% |
| 2019 to 2020 | Quarter 4: January to March | Speedometer and speed limiter | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 4: January to March | Steering | 1.70% | 2.80% | 0.10% | 1.00% | 1.70% | 3.20% |
| 2019 to 2020 | Quarter 4: January to March | Suspension | 7.90% | 17.60% | 0.60% | 5.00% | 8.60% | 20.10% |
| 2019 to 2020 | Quarter 4: January to March | Tyres | 5.80% | 12.60% | 5.60% | 60.10% | 1.60% | 2.90% |
| 2019 to 2020 | Quarter 4: January to March | Visibility | 4.20% | 8.30% | 0.00% | 0.20% | 5.20% | 10.00% |
| 2019 to 2020 | Quarter 4: January to March | Overall Initial Failure Rate | 30.70% | Not set | 9.00% | Not set | 21.70% | Not set |
| 2019 to 2020 | Quarter 4: January to March | Average defects per Initial Test Failure | Not set | 2.52 | Not set | 0.43 | Not set | 2.1 |
| 2019 to 2020 | Quarter 3: October to December | Body, chassis, structure | 3.60% | 6.45% | 0.24% | 2.06% | 3.76% | 7.35% |
| 2019 to 2020 | Quarter 3: October to December | Brakes | 6.80% | 17.10% | 3.00% | 28.90% | 5.80% | 14.70% |
| 2019 to 2020 | Quarter 3: October to December | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 3: October to December | Identification of the vehicle | 0.40% | 0.70% | 0.00% | 0.00% | 0.40% | 0.90% |
| 2019 to 2020 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 11.90% | 27.00% | 0.20% | 1.60% | 13.10% | 32.10% |
| 2019 to 2020 | Quarter 3: October to December | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 3: October to December | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 3: October to December | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 3: October to December | Noise, emissions and leaks | 2.90% | 5.20% | 0.10% | 0.40% | 3.10% | 6.10% |
| 2019 to 2020 | Quarter 3: October to December | Road Wheels | 0.30% | 0.60% | 0.10% | 0.50% | 0.30% | 0.60% |
| 2019 to 2020 | Quarter 3: October to December | Seat belt installation check | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 3: October to December | Seat belts and supplementary restraint systems | 1.10% | 1.80% | 0.00% | 0.30% | 1.20% | 2.10% |
| 2019 to 2020 | Quarter 3: October to December | Speedometer and speed limiter | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 3: October to December | Steering | 1.70% | 2.80% | 0.10% | 1.00% | 1.70% | 3.20% |
| 2019 to 2020 | Quarter 3: October to December | Suspension | 7.90% | 17.60% | 0.60% | 5.00% | 8.60% | 20.10% |
| 2019 to 2020 | Quarter 3: October to December | Tyres | 5.80% | 12.60% | 5.60% | 60.10% | 1.60% | 2.90% |
| 2019 to 2020 | Quarter 3: October to December | Visibility | 4.20% | 8.30% | 0.00% | 0.20% | 5.20% | 10.00% |
| 2019 to 2020 | Quarter 3: October to December | Overall Initial Failure Rate | 30.70% | Not set | 9.00% | Not set | 21.70% | Not set |
| 2019 to 2020 | Quarter 3: October to December | Average defects per Initial Test Failure | Not set | 2.52 | Not set | 0.43 | Not set | 2.1 |
| 2019 to 2020 | Quarter 2: July to September | Body, chassis, structure | 4.30% | 6.80% | 0.30% | 2.40% | 4.10% | 7.60% |
| 2019 to 2020 | Quarter 2: July to September | Brakes | 8.10% | 16.80% | 3.10% | 29.30% | 6.10% | 14.40% |
| 2019 to 2020 | Quarter 2: July to September | Identification of the vehicle | 0.50% | 0.70% | 0.00% | 0.00% | 0.50% | 0.80% |
| 2019 to 2020 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 13.90% | 27.00% | 0.30% | 2.00% | 13.80% | 31.80% |
| 2019 to 2020 | Quarter 2: July to September | Noise, emissions and leaks | 3.60% | 5.60% | 0.10% | 0.50% | 3.50% | 6.50% |
| 2019 to 2020 | Quarter 2: July to September | Road Wheels | 0.30% | 0.60% | 0.10% | 0.60% | 0.30% | 0.60% |
| 2019 to 2020 | Quarter 2: July to September | Seat belts and supplementary restraint systems | 1.30% | 1.90% | 0.00% | 0.30% | 1.30% | 2.30% |
| 2019 to 2020 | Quarter 2: July to September | Steering | 2.00% | 2.90% | 0.10% | 1.10% | 1.90% | 3.20% |
| 2019 to 2020 | Quarter 2: July to September | Suspension | 9.70% | 18.10% | 0.60% | 5.50% | 9.30% | 20.50% |
| 2019 to 2020 | Quarter 2: July to September | Tyres | 6.80% | 11.60% | 5.50% | 58.10% | 1.70% | 2.80% |
| 2019 to 2020 | Quarter 2: July to September | Visibility | 5.30% | 8.00% | 0.00% | 0.20% | 5.30% | 9.50% |
| 2019 to 2020 | Quarter 2: July to September | Overall Initial Failure Rate | 31.70% | Not set | 9.10% | Not set | 22.60% | Not set |
| 2019 to 2020 | Quarter 2: July to September | Average defects per Initial Test Failure | Not set | 2.59 | Not set | 0.41 | Not set | 2.18 |
| 2019 to 2020 | Quarter 1: April to June | Body, chassis, structure | 4.43% | 6.70% | 0.33% | 2.75% | 4.19% | 7.45% |
| 2019 to 2020 | Quarter 1: April to June | Brakes | 8.30% | 16.64% | 3.14% | 29.08% | 6.25% | 14.28% |
| 2019 to 2020 | Quarter 1: April to June | Buses and coaches supplementary tests | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 1: April to June | Identification of the vehicle | 0.48% | 0.69% | 0.00% | 0.00% | 0.48% | 0.83% |
| 2019 to 2020 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 14.33% | 26.76% | 0.29% | 2.23% | 14.17% | 31.42% |
| 2019 to 2020 | Quarter 1: April to June | Motorcycle brakes | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 1: April to June | Motorcycle lamps and reflectors | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 1: April to June | Motorcycle tyres | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2019 to 2020 | Quarter 1: April to June | Noise, emissions and leaks | 3.70% | 5.58% | 0.07% | 0.51% | 3.66% | 6.55% |
| 2019 to 2020 | Quarter 1: April to June | Road Wheels | 0.35% | 0.56% | 0.06% | 0.56% | 0.29% | 0.55% |
| 2019 to 2020 | Quarter 1: April to June | Seat belt installation check | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.02% |
| 2019 to 2020 | Quarter 1: April to June | Seat belts and supplementary restraint systems | 1.39% | 1.95% | 0.04% | 0.29% | 1.36% | 2.27% |
| 2019 to 2020 | Quarter 1: April to June | Speedometer and speed limiter | 0.01% | 0.01% | 0.00% | 0.00% | 0.01% | 0.01% |
| 2019 to 2020 | Quarter 1: April to June | Steering | 2.14% | 2.97% | 0.14% | 1.11% | 2.02% | 3.32% |
| 2019 to 2020 | Quarter 1: April to June | Suspension | 10.14% | 18.32% | 0.65% | 5.71% | 9.77% | 20.72% |
| 2019 to 2020 | Quarter 1: April to June | Tyres | 6.82% | 11.19% | 5.61% | 57.55% | 1.46% | 2.39% |
| 2019 to 2020 | Quarter 1: April to June | Visibility | 5.79% | 8.59% | 0.03% | 0.20% | 5.77% | 10.19% |
| 2019 to 2020 | Quarter 1: April to June | Overall Initial Failure Rate | 32.54% | Not set | 9.37% | Not set | 23.17% | Not set |
| 2019 to 2020 | Quarter 1: April to June | Average defects per Initial Test Failure | Not set | 2.6 | Not set | 0.4 | Not set | 2.2 |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Lamps, reflectors and electrical equipment | 12.80% | 26.70% | 0.30% | 2.80% | 12.70% | 31.00% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Suspension | 9.10% | 18.30% | 0.60% | 6.20% | 8.70% | 20.50% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Brakes | 7.50% | 17.00% | 2.80% | 30.70% | 5.70% | 14.60% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Tyres | 5.80% | 10.60% | 4.50% | 53.80% | 1.60% | 2.90% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Visibility | 5.20% | 8.60% | 0.00% | 0.30% | 5.20% | 10.10% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Body, chassis, structure | 4.00% | 6.80% | 0.30% | 3.40% | 3.80% | 7.40% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Noise, emissions and leaks | 3.30% | 5.70% | 0.10% | 0.70% | 3.30% | 6.60% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Steering | 1.90% | 2.90% | 0.10% | 1.20% | 1.80% | 3.20% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Seat belts and supplementary restraint systems | 1.30% | 2.00% | 0.00% | 0.30% | 1.20% | 2.30% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Identification of the vehicle | 0.40% | 0.70% | 0.00% | 0.00% | 0.40% | 0.80% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Road Wheels | 0.30% | 0.50% | 0.10% | 0.60% | 0.30% | 0.50% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Seat belt installation check | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Speedometer and speed limiter | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Overall Initial Failure Rate | 33.40% | Not set | 9.40% | Not set | 24.00% | Not set |
| 2018 to 2019 | 20 May 2018 to 31 March 2019 | Average defects per Initial Test Failure | Not set | 2.28 | Not set | 0.35 | Not set | 1.93 |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Body and structure | 1.20% | 1.90% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Brakes | 9.60% | 17.90% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Driver's view of the road | 7.20% | 9.50% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Driving controls | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Fuel and exhaust | 3.60% | 5.30% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Lighting and signalling | 16.90% | 28.70% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Motor tricycles and quadricycles | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Reg plates and VIN | 0.70% | 0.80% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Road wheels | 0.40% | 0.50% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Seat belts | 1.60% | 2.00% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Steering | 2.30% | 2.90% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Suspension | 12.40% | 20.10% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Towbars | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Tyres | 7.10% | 10.20% | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Overall Initial Failure Rate | 34.90% | Not set | Not set | Not set | Not set | Not set |
| 2018 to 2019 | 1 April 2018 to 19 May 2018 | Average defects per Initial Test Failure | Not set | 2.8 | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Body and structure | 1.25% | 1.90% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Brakes | 9.20% | 17.20% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Driver's view of the road | 6.40% | 8.70% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Driving controls | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Fuel and exhaust | 3.60% | 5.40% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Lighting and signalling | 17.10% | 29.60% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Motor tricycles and quadricycles | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Reg plates and VIN | 0.70% | 0.85% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Road wheels | 0.30% | 0.50% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Seat belts | 1.70% | 2.20% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Steering | 2.40% | 3.00% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Suspension | 12.10% | 20.20% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Towbars | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Tyres | 7.10% | 10.40% | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Overall Initial Failure Rate | 34.50% | Not set | Not set | Not set | Not set | Not set |
| 2017 to 2018 | Not set | Average defects per Initial Test Failure | Not set | 2.77 | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Body and structure | 1.30% | 2.00% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Brakes | 10.00% | 17.20% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Driver's view of the road | 6.80% | 8.80% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Driving controls | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Fuel and exhaust | 4.00% | 5.60% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Lighting and signalling | 18.30% | 29.70% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Motor tricycles and quadricycles | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Reg plates and VIN | 0.70% | 0.90% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Road wheels | 0.40% | 0.50% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Seat belts | 1.90% | 2.30% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Steering | 2.60% | 3.10% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Suspension | 12.20% | 19.40% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Towbars | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Tyres | 7.40% | 10.50% | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Overall Initial Failure Rate | 35.40% | Not set | Not set | Not set | Not set | Not set |
| 2016 to 2017 | Not set | Average defects per Initial Test Failure | Not set | 2.85 | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Body and structure | 1.30% | 2.00% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Brakes | 9.70% | 16.90% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Driver's view of the road | 6.70% | 9.00% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Driving controls | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Fuel and exhaust | 4.00% | 5.60% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Lighting and signalling | 17.90% | 29.60% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Motor tricycles and quadricycles | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Reg plates and VIN | 0.70% | 0.80% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Road wheels | 0.30% | 0.50% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Seat belts | 1.90% | 2.40% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Steering | 2.70% | 3.20% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Suspension | 12.20% | 19.70% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Towbars | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Tyres | 7.10% | 10.10% | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Overall Initial Failure Rate | 36.80% | Not set | Not set | Not set | Not set | Not set |
| 2015 to 2016 | Not set | Average defects per Initial Test Failure | Not set | 2.92 | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Body and structure | 1.40% | 2.00% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Brakes | 9.60% | 17.20% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Driver's view of the road | 6.60% | 8.50% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Driving controls | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Fuel and exhaust | 4.30% | 5.80% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Lighting and signalling | 18.40% | 30.00% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Motor tricycles and quadricycles | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Reg plates and VIN | 0.80% | 0.90% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Road wheels | 0.30% | 0.50% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Seat belts | 2.20% | 2.60% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Steering | 2.90% | 3.40% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Suspension | 12.00% | 18.70% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Towbars | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Tyres | 7.40% | 10.00% | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Overall Initial Failure Rate | 38.30% | Not set | Not set | Not set | Not set | Not set |
| 2014 to 2015 | Not set | Average defects per Initial Test Failure | Not set | 2.99 | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Body and structure | 1.50% | 1.90% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Brakes | 10.40% | 17.40% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Driver's view of the road | 7.10% | 8.70% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Driving controls | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Fuel and exhaust | 4.60% | 5.90% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Lighting and signalling | 19.10% | 29.10% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Motor tricycles and quadricycles | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Reg plates and VIN | 0.80% | 0.90% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Road wheels | 0.40% | 0.40% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Seat belts | 2.60% | 2.90% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Steering | 3.30% | 3.60% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Suspension | 12.80% | 18.70% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Towbars | 0.00% | 0.00% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Tyres | 7.80% | 9.90% | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Overall Initial Failure Rate | 40.00% | - | Not set | Not set | Not set | Not set |
| 2013 to 2014 | Not set | Average defects per Initial Test Failure | - | 3.08 | Not set | Not set | Not set | Not set |