Statistical data set
Top 10 prohibition defects as a percentage of all cars inspected at roadside
Updated 22 April 2025
| Financial year | Period | Defect type | Defects as a percentage of all vehicles inspected |
|---|---|---|---|
| 2024 to 2025 | Quarter 3: October to December | Running Gear - Condition of Tyres | 32.75% |
| 2024 to 2025 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 8.77% |
| 2024 to 2025 | Quarter 3: October to December | Bodywork - Registration Plates & VIN Details | 8.19% |
| 2024 to 2025 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 7.02% |
| 2024 to 2025 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 7.02% |
| 2024 to 2025 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 6.43% |
| 2024 to 2025 | Quarter 3: October to December | Brakes - Warning Systems | 5.85% |
| 2024 to 2025 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 5.26% |
| 2024 to 2025 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 4.68% |
| 2024 to 2025 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 4.09% |
| 2024 to 2025 | Quarter 2: July to September | Running Gear - Condition of Tyres | 20.33% |
| 2024 to 2025 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust system | 11.38% |
| 2024 to 2025 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 8.13% |
| 2024 to 2025 | Quarter 2: July to September | Bodywork - Windscreen and Windows | 6.50% |
| 2024 to 2025 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 6.50% |
| 2024 to 2025 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 4.88% |
| 2024 to 2025 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 4.07% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - Controls | 2.44% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - Warning Systems | 2.44% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - Mechanical components | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Electrical Equipment - Horn | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Lamps & Reflectors - Direction Indicators | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Lamps and reflectors - Headlamps | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Steering - Power Steering | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Suspension - Springs | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Transmission - Un-categorised defects | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Uncategorised | 1.63% |
| 2024 to 2025 | Quarter 2: July to September | Vehicle Interior - Drivers Area and Fittings | 1.63% |
| 2024 to 2025 | Quarter 1: April to June | Running Gear - Condition of Tyres | 23.40% |
| 2024 to 2025 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust system | 15.60% |
| 2024 to 2025 | Quarter 1: April to June | Lamps and reflectors - Direction Indicators | 8.51% |
| 2024 to 2025 | Quarter 1: April to June | Transmission - Un-categorised defects | 7.80% |
| 2024 to 2025 | Quarter 1: April to June | Bodywork - Windscreen and Windows | 6.38% |
| 2024 to 2025 | Quarter 1: April to June | Brakes - Parking Brake Operation and Perfomance | 5.67% |
| 2024 to 2025 | Quarter 1: April to June | Brakes - Mechanical components | 4.96% |
| 2024 to 2025 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 4.96% |
| 2024 to 2025 | Quarter 1: April to June | Bodywork - Registration Plates & VIN Details | 4.26% |
| 2024 to 2025 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 4.26% |
| 2023 to 2024 | Quarter 4: January to March | Running Gear - Condition of Tyres | 29.63% |
| 2023 to 2024 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 11.11% |
| 2023 to 2024 | Quarter 4: January to March | Running Gear - Road wheels and Hubs | 8.89% |
| 2023 to 2024 | Quarter 4: January to March | Bodywork - Windscreen and Windows | 8.15% |
| 2023 to 2024 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 7.41% |
| 2023 to 2024 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 6.67% |
| 2023 to 2024 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 5.93% |
| 2023 to 2024 | Quarter 4: January to March | Bodywork - Registration Plates & VIN Details | 5.19% |
| 2023 to 2024 | Quarter 4: January to March | Brakes - Mechanical components | 5.19% |
| 2023 to 2024 | Quarter 4: January to March | Suspension - Springs | 4.44% |
| 2023 to 2024 | Quarter 3: October to December | Running Gear - Condition of Tyres | 18.25% |
| 2023 to 2024 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 8.75% |
| 2023 to 2024 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 5.70% |
| 2023 to 2024 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 4.56% |
| 2023 to 2024 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 3.80% |
| 2023 to 2024 | Quarter 3: October to December | Brakes - Warning Systems | 3.04% |
| 2023 to 2024 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 2.66% |
| 2023 to 2024 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 2.66% |
| 2023 to 2024 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 2.28% |
| 2023 to 2024 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 2.28% |
| 2023 to 2024 | Quarter 2: July to September | Running Gear - Condition of Tyres | 9.93% |
| 2023 to 2024 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust system | 4.71% |
| 2023 to 2024 | Quarter 2: July to September | Bodywork - Windscreen and Windows | 3.47% |
| 2023 to 2024 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 2.23% |
| 2023 to 2024 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 1.99% |
| 2023 to 2024 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 1.99% |
| 2023 to 2024 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 1.74% |
| 2023 to 2024 | Quarter 2: July to September | Brakes - Warning Systems | 1.49% |
| 2023 to 2024 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 1.24% |
| 2023 to 2024 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 1.24% |
| 2023 to 2024 | Quarter 1: April to June | Running Gear - Condition of Tyres | 17.33% |
| 2023 to 2024 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust system | 4.95% |
| 2023 to 2024 | Quarter 1: April to June | Bodywork - Windscreen and Windows | 3.96% |
| 2023 to 2024 | Quarter 1: April to June | Brakes - Mechanical components | 3.47% |
| 2023 to 2024 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 2.97% |
| 2023 to 2024 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust emission | 2.48% |
| 2023 to 2024 | Quarter 1: April to June | Suspension - Springs | 2.48% |
| 2023 to 2024 | Quarter 1: April to June | Transmission - Un-categorised defects | 1.98% |
| 2023 to 2024 | Quarter 1: April to June | Brakes - Parking Brake Operation and Perfomance | 1.49% |
| 2023 to 2024 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 1.49% |
| 2023 to 2024 | Quarter 1: April to June | Steering - Steering Linkage | 1.49% |
| 2023 to 2024 | Quarter 1: April to June | Uncategorised | 1.49% |
| 2022 to 2023 | Quarter 4: January to March | Running Gear - Condition of Tyres | 22.37% |
| 2022 to 2023 | Quarter 4: January to March | Running Gear - Road wheels and Hubs | 9.87% |
| 2022 to 2023 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 6.58% |
| 2022 to 2023 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 5.92% |
| 2022 to 2023 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust system | 5.26% |
| 2022 to 2023 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 3.95% |
| 2022 to 2023 | Quarter 4: January to March | Brakes - Mechanical components | 3.29% |
| 2022 to 2023 | Quarter 4: January to March | Brakes - Warning Systems | 3.29% |
| 2022 to 2023 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 3.29% |
| 2022 to 2023 | Quarter 4: January to March | Bodywork - Registration Plates & VIN Details | 2.63% |
| 2022 to 2023 | Quarter 4: January to March | Suspension - Suspension Arms & Linkages & Sub-frames | 2.63% |
| 2022 to 2023 | Quarter 3: October to December | Running Gear - Condition of Tyres | 20.56% |
| 2022 to 2023 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 9.27% |
| 2022 to 2023 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 8.87% |
| 2022 to 2023 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 7.26% |
| 2022 to 2023 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 5.24% |
| 2022 to 2023 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 5.24% |
| 2022 to 2023 | Quarter 3: October to December | Bodywork - Registration Plates & VIN Details | 4.84% |
| 2022 to 2023 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 4.03% |
| 2022 to 2023 | Quarter 3: October to December | Brakes - Warning Systems | 3.63% |
| 2022 to 2023 | Quarter 3: October to December | Brakes - Mechanical components | 3.23% |
| 2022 to 2023 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 3.23% |
| 2022 to 2023 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 3.23% |
| 2022 to 2023 | Quarter 2: July to September | Running Gear - Condition of Tyres | 20.62% |
| 2022 to 2023 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust system | 8.59% |
| 2022 to 2023 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 7.22% |
| 2022 to 2023 | Quarter 2: July to September | Bodywork - Windscreen and Windows | 5.84% |
| 2022 to 2023 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 5.84% |
| 2022 to 2023 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 4.47% |
| 2022 to 2023 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 3.78% |
| 2022 to 2023 | Quarter 2: July to September | Brakes - Warning Systems | 3.09% |
| 2022 to 2023 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 2.41% |
| 2022 to 2023 | Quarter 2: July to September | Lamps and reflectors - Headlamps | 2.41% |
| 2022 to 2023 | Quarter 1: April to June | Running Gear - Condition of Tyres | 20.95% |
| 2022 to 2023 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust system | 9.50% |
| 2022 to 2023 | Quarter 1: April to June | Bodywork - Windscreen and Windows | 8.38% |
| 2022 to 2023 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 7.54% |
| 2022 to 2023 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust emission | 6.15% |
| 2022 to 2023 | Quarter 1: April to June | Lamps and reflectors - Direction Indicators | 4.47% |
| 2022 to 2023 | Quarter 1: April to June | Bodywork - Registration Plates & VIN Details | 3.35% |
| 2022 to 2023 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 2.79% |
| 2022 to 2023 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 2.51% |
| 2022 to 2023 | Quarter 1: April to June | Lamps and reflectors - Headlamps | 2.23% |
| 2021 to 2022 | Quarter 4: January to March | Running Gear - Condition of Tyres | 15.14% |
| 2021 to 2022 | Quarter 4: January to March | Bodywork - Registration Plates & VIN Details | 11.16% |
| 2021 to 2022 | Quarter 4: January to March | Bodywork - Windscreen and Windows | 11.16% |
| 2021 to 2022 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust system | 9.96% |
| 2021 to 2022 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 7.97% |
| 2021 to 2022 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 5.18% |
| 2021 to 2022 | Quarter 4: January to March | Running Gear - Road wheels and Hubs | 5.18% |
| 2021 to 2022 | Quarter 4: January to March | Lamps and reflectors - Headlamps | 3.59% |
| 2021 to 2022 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 3.59% |
| 2021 to 2022 | Quarter 4: January to March | Bodywork - Body Panelling | 2.79% |
| 2021 to 2022 | Quarter 4: January to March | Brakes - Warning Systems | 2.79% |
| 2021 to 2022 | Quarter 3: October to December | Running Gear - Condition of Tyres | 20.43% |
| 2021 to 2022 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 10.75% |
| 2021 to 2022 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 10.75% |
| 2021 to 2022 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 7.53% |
| 2021 to 2022 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 6.09% |
| 2021 to 2022 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 5.02% |
| 2021 to 2022 | Quarter 3: October to December | Bodywork - Registration Plates & VIN Details | 4.66% |
| 2021 to 2022 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 4.66% |
| 2021 to 2022 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 4.30% |
| 2021 to 2022 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 3.23% |
| 2021 to 2022 | Quarter 2: July to September | Running Gear - Condition of Tyres | 9.83% |
| 2021 to 2022 | Quarter 2: July to September | Bodywork - Windscreen and Windows | 3.49% |
| 2021 to 2022 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust system | 3.17% |
| 2021 to 2022 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 2.69% |
| 2021 to 2022 | Quarter 2: July to September | Brakes - Mechanical components | 1.90% |
| 2021 to 2022 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 1.74% |
| 2021 to 2022 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 1.58% |
| 2021 to 2022 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 1.43% |
| 2021 to 2022 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 1.27% |
| 2021 to 2022 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 1.11% |
| 2021 to 2022 | Quarter 1: April to June | Running Gear - Condition of Tyres | 12.19% |
| 2021 to 2022 | Quarter 1: April to June | Bodywork - Windscreen and Windows | 5.63% |
| 2021 to 2022 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 3.75% |
| 2021 to 2022 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust system | 3.13% |
| 2021 to 2022 | Quarter 1: April to June | Brakes - Parking Brake Operation and Perfomance | 1.88% |
| 2021 to 2022 | Quarter 1: April to June | Brakes - Warning Systems | 1.88% |
| 2021 to 2022 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust emission | 1.88% |
| 2021 to 2022 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 1.88% |
| 2021 to 2022 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 1.88% |
| 2021 to 2022 | Quarter 1: April to June | Bodywork - Registration Plates & VIN Details | 1.56% |
| 2020 to 2021 | Quarter 4: January to March | Running Gear - Condition of Tyres | 26.67% |
| 2020 to 2021 | Quarter 4: January to March | Bodywork - Windscreen and Windows | 13.33% |
| 2020 to 2021 | Quarter 4: January to March | Running Gear - Road wheels and Hubs | 13.33% |
| 2020 to 2021 | Quarter 4: January to March | Bodywork - Registration Plates & VIN Details | 12.00% |
| 2020 to 2021 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 12.00% |
| 2020 to 2021 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust system | 9.33% |
| 2020 to 2021 | Quarter 4: January to March | Suspension - Springs | 6.67% |
| 2020 to 2021 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 5.33% |
| 2020 to 2021 | Quarter 4: January to March | Bodywork - Body Panelling | 4.00% |
| 2020 to 2021 | Quarter 4: January to March | Brakes - Mechanical components | 4.00% |
| 2020 to 2021 | Quarter 3: October to December | Running Gear - Condition of Tyres | 29.60% |
| 2020 to 2021 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 12.00% |
| 2020 to 2021 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 8.00% |
| 2020 to 2021 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 7.20% |
| 2020 to 2021 | Quarter 3: October to December | Brakes - Warning Systems | 5.60% |
| 2020 to 2021 | Quarter 3: October to December | Transmission - Un-categorised defects | 4.80% |
| 2020 to 2021 | Quarter 3: October to December | Bodywork - Registration Plates & VIN Details | 4.00% |
| 2020 to 2021 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 4.00% |
| 2020 to 2021 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 4.00% |
| 2020 to 2021 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 3.20% |
| 2020 to 2021 | Quarter 2: July to September | Running Gear - Condition of Tyres | 13.56% |
| 2020 to 2021 | Quarter 2: July to September | Steering - Steering Linkage | 5.08% |
| 2020 to 2021 | Quarter 2: July to September | Bodywork - Body Panelling | 3.39% |
| 2020 to 2021 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 3.39% |
| 2020 to 2021 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 3.39% |
| 2020 to 2021 | Quarter 2: July to September | All lamps | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Bodywork - Windscreen and Windows | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Brakes - Mechanical components | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Brakes - Parking Brake Operation and Perfomance | 1.69% |
| 2020 to 2021 | Quarter 1: April to June | Running Gear - Condition of Tyres | 8.82% |
| 2020 to 2021 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 2.94% |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2019 to 2020 | Quarter 4: January to March | Running Gear - Condition of Tyres | 24.60% |
| 2019 to 2020 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust system | 8.90% |
| 2019 to 2020 | Quarter 4: January to March | Bodywork - Windscreen and Windows | 8.10% |
| 2019 to 2020 | Quarter 4: January to March | Running Gear - Road wheels and Hubs | 6.90% |
| 2019 to 2020 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 4.00% |
| 2019 to 2020 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 2.80% |
| 2019 to 2020 | Quarter 4: January to March | Transmission - Un-categorised defects | 2.80% |
| 2019 to 2020 | Quarter 4: January to March | Brakes - Warning Systems | 2.40% |
| 2019 to 2020 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 2.40% |
| 2019 to 2020 | Quarter 4: January to March | Brakes - Controls | 2.00% |
| 2019 to 2020 | Quarter 3: October to December | Running Gear - Condition of Tyres | 23.20% |
| 2019 to 2020 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 6.40% |
| 2019 to 2020 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 7.80% |
| 2019 to 2020 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 4.20% |
| 2019 to 2020 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 6.40% |
| 2019 to 2020 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 3.00% |
| 2019 to 2020 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 1.80% |
| 2019 to 2020 | Quarter 3: October to December | Transmission - Un-categorised defects | 2.00% |
| 2019 to 2020 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 4.40% |
| 2019 to 2020 | Quarter 3: October to December | Brakes - Warning Systems | 1.60% |
| 2019 to 2020 | Quarter 2: July to September | Running Gear - Condition of Tyres | 18.20% |
| 2019 to 2020 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust system | 11.40% |
| 2019 to 2020 | Quarter 2: July to September | Bodywork - Windscreen and Windows | 7.10% |
| 2019 to 2020 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 5.10% |
| 2019 to 2020 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 4.10% |
| 2019 to 2020 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 4.10% |
| 2019 to 2020 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 3.60% |
| 2019 to 2020 | Quarter 2: July to September | Transmission - Un-categorised defects | 3.40% |
| 2019 to 2020 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 3.20% |
| 2019 to 2020 | Quarter 2: July to September | Brakes - Warning Systems | 2.80% |
| 2019 to 2020 | Quarter 1: April to June | Running Gear - Condition of Tyres | 24.72% |
| 2019 to 2020 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust system | 13.48% |
| 2019 to 2020 | Quarter 1: April to June | Bodywork - Windscreen and Windows | 9.83% |
| 2019 to 2020 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 6.46% |
| 2019 to 2020 | Quarter 1: April to June | Lamps and Reflectors - Direction Indicators | 5.62% |
| 2019 to 2020 | Quarter 1: April to June | Transmission - Un-categorised defects | 5.34% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - Warning Systems | 4.49% |
| 2019 to 2020 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 3.37% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - Mechanical Components | 3.09% |
| 2019 to 2020 | Quarter 1: April to June | Lamps and reflectors - Headlamps | 2.81% |
| 2018 to 2019 | Total | Running Gear - Condition of Tyres | 22.90% |
| 2018 to 2019 | Total | Bodywork - Windscreen and Windows | 7.30% |
| 2018 to 2019 | Total | Running Gear - Road wheels and Hubs | 6.00% |
| 2018 to 2019 | Total | Engine and Associated Equipment - Exhaust system | 5.30% |
| 2018 to 2019 | Total | Lamps and Reflectors - Direction Indicators | 5.20% |
| 2018 to 2019 | Total | Seat belts and Supplementary Restraint System | 4.40% |
| 2018 to 2019 | Total | Brakes - Warning Systems | 3.40% |
| 2018 to 2019 | Total | Bodywork - Registration Plates & VIN Details | 2.90% |
| 2018 to 2019 | Total | Lamps and reflectors - Headlamps | 2.60% |
| 2018 to 2019 | Total | Transmission - Un-categorised defects | 2.50% |
| 2017 to 2018 | Total | Running Gear - Condition of Tyres | 20.10% |
| 2017 to 2018 | Total | Bodywork - Windscreen and Windows | 8.80% |
| 2017 to 2018 | Total | Running Gear - Road wheels and Hubs | 5.20% |
| 2017 to 2018 | Total | Engine and Associated Equipment - Exhaust system | 9.60% |
| 2017 to 2018 | Total | Lamps and Reflectors - Direction Indicators | 3.50% |
| 2017 to 2018 | Total | Seat belts and Supplementary Restraint System | 2.80% |
| 2017 to 2018 | Total | Brakes - Warning Systems | 3.10% |
| 2017 to 2018 | Total | Bodywork - Registration Plates & VIN Details | 1.10% |
| 2017 to 2018 | Total | Lamps and reflectors - Headlamps | 1.90% |
| 2017 to 2018 | Total | Transmission - Un-categorised defects | 3.30% |
| 2016 to 2017 | Total | Running Gear - Condition of Tyres | 29.20% |
| 2016 to 2017 | Total | Bodywork - Windscreen and Windows | 8.10% |
| 2016 to 2017 | Total | Running Gear - Road wheels and Hubs | 6.90% |
| 2016 to 2017 | Total | Engine and Associated Equipment - Exhaust system | 6.30% |
| 2016 to 2017 | Total | Lamps and Reflectors - Direction Indicators | 4.80% |
| 2016 to 2017 | Total | Seat belts and Supplementary Restraint System | 1.90% |
| 2016 to 2017 | Total | Brakes - Warning Systems | 2.40% |
| 2016 to 2017 | Total | Bodywork - Registration Plates & VIN Details | 1.20% |
| 2016 to 2017 | Total | Lamps and reflectors - Headlamps | 1.00% |
| 2016 to 2017 | Total | Transmission - Un-categorised defects | 3.30% |
| 2015 to 2016 | Total | Running Gear - Condition of Tyres | 29.80% |
| 2015 to 2016 | Total | Bodywork - Windscreen and Windows | 12.00% |
| 2015 to 2016 | Total | Running Gear - Road wheels and Hubs | 5.00% |
| 2015 to 2016 | Total | Engine and Associated Equipment - Exhaust system | 7.20% |
| 2015 to 2016 | Total | Lamps and Reflectors - Direction Indicators | 3.80% |
| 2015 to 2016 | Total | Transmission - Un-categorised defects | 3.10% |
| 2015 to 2016 | Total | Bodywork - Registration Plates & VIN Details | 2.60% |
| 2015 to 2016 | Total | Vehicle Interior - Seat Belts | 1.70% |
| 2015 to 2016 | Total | Brakes - Parking Brake Operation and Perfomance | 1.90% |
| 2015 to 2016 | Total | Steering - Steering Linkage | 2.60% |
| 2014 to 2015 | Total | Running Gear - Condition of Tyres | 29.00% |
| 2014 to 2015 | Total | Bodywork - Windscreen and Windows | 18.40% |
| 2014 to 2015 | Total | Running Gear - Road wheels and Hubs | 4.00% |
| 2014 to 2015 | Total | Engine and Associated Equipment - Exhaust system | 6.00% |
| 2014 to 2015 | Total | Lamps and Reflectors - Direction Indicators | 3.00% |
| 2014 to 2015 | Total | Transmission - Un-categorised defects | 3.20% |
| 2014 to 2015 | Total | Bodywork - Registration Plates & VIN Details | 2.10% |
| 2014 to 2015 | Total | Vehicle Interior - Seat Belts | 1.50% |
| 2014 to 2015 | Total | Brakes - Parking Brake Operation and Perfomance | 1.70% |
| 2014 to 2015 | Total | Steering - Steering Linkage | 1.40% |
| 2013 to 2014 | Total | Running Gear - Condition of Tyres | 31.20% |
| 2013 to 2014 | Total | Bodywork - Windscreen and Windows | 19.30% |
| 2013 to 2014 | Total | Running Gear - Road wheels and Hubs | 4.20% |
| 2013 to 2014 | Total | Engine and Associated Equipment - Exhaust system | 6.40% |
| 2013 to 2014 | Total | Lamps and Reflectors - Direction Indicators | 3.30% |
| 2013 to 2014 | Total | Transmission - Un-categorised defects | 3.10% |
| 2013 to 2014 | Total | Bodywork - Registration Plates & VIN Details | 2.40% |
| 2013 to 2014 | Total | Vehicle Interior - Seat Belts | 1.50% |
| 2013 to 2014 | Total | Brakes - Parking Brake Operation and Perfomance | 1.40% |
| 2013 to 2014 | Total | Steering - Steering Linkage | 1.40% |