MOT by postcode area

MOT results in Bolton (BL)

How cars did at MOT test stations in the BL postcode area (England) in 2025: pass rates against cars of the same ages, what fails most often, how far cars here are driven and the models tested most.

Last updated
Records analysed
228,969 car MOT tests in the BL area
Methodology
View methodology
  • MOT first-time pass rate, 2025 75.4% Great Britain 72.8%
  • Against cars of the same ages +1.2 pts 42nd of 118 areas
  • Average age at the test 9.8 years cars aged three and over
  • Tests finding a dangerous defect 7.3% Great Britain 7.3%
  • Average annual mileage 6,637 miles; Great Britain 6,728
  • Car MOT tests, 2025 228,969 227,711 in 2024

How do cars in Bolton do at their MOT?

In 2025, 75.4% of the 228,969 car MOT tests at stations in the BL postcode area were passed first time, against 72.8% across Great Britain. The cars tested here averaged 9.8 years old; with that mix of ages, cars across Great Britain pass 74.2% of the time, so Bolton does 1.2 points better than its age mix would suggest, 42nd of 118 areas. In 2024 the pass rate here was 74.4%.

Pass rate by age: Bolton vs Great Britain

Each pair of bars covers cars of the same age, so an area with older cars is compared fairly.

MOT first-time pass rate by vehicle age in the BL postcode area compared with Great Britain, 2025
Vehicle age BoltonGreat Britain
3 years 90.9%89.5%
4–5 years 88.5%87.6%
6–7 years 84.0%83.0%
8–10 years 76.3%75.7%
11–14 years 67.0%65.5%
15–19 years 59.7%58.0%
20+ years 62.8%61.0%

Source:DVSA,UK Motoring analysis 2025 Updated

Most common MOT failures in Bolton

Lamps, reflectors and electrical equipment defects appeared on 36.1% of failed tests here (Great Britain 36.8%). The most common single defect was “Tyres: tread depth below requirements of 1.6mm” (10.7% of failed tests). 47.0% of tests ended with at least one advisory (Great Britain 51.9%).

Failure categories

The marker shows the share across Great Britain.

Share of failed car MOT tests in the BL postcode area with a defect in each category, with Great Britain for comparison, 2025
Category Share of failed tests
Lamps, reflectors and electrical equipment 36.1%
Suspension 33.6%
Tyres 24.0%
Brakes 23.2%
Visibility 15.7%
Body, chassis, structure 10.8%
Noise, emissions and leaks 10.3%
Steering 6.5%

Source:DVSA,UK Motoring analysis 2025 Updated

Most common defects

Share of failed tests with each defect.

Most common specific MOT defects on failed car tests in the BL postcode area, 2025
Defect Share of failed tests
Tyres: tread depth below requirements of 1.6mm Tyres 10.7%
Coil spring: fractured or broken Suspension 10.2%
Position lamp: not working Lamps, reflectors and electrical equipment 8.8%
Brake pads: less than 1.5 mm thick Brakes 7.2%
Stop lamp: not working Lamps, reflectors and electrical equipment 7.0%
Wipers: does not clear the windscreen effectively Visibility 6.4%
Headlamp: not working on dipped beam Lamps, reflectors and electrical equipment 6.0%
Washers: provides insufficient washer liquid Visibility 5.4%
Suspension arms: ball joint excessively worn Suspension 5.3%
Malfunction indicator lamp: inoperative or indicates a malfunction Noise, emissions and leaks 5.2%

Source:DVSA,UK Motoring analysis 2025 Updated

Cars tested most in Bolton

The models with the most MOT tests in the BL postcode area in 2025, and how often they passed first time here and across Great Britain. A model’s pass rate depends on the ages of the cars tested, which differ between areas.

Models with the most MOT tests in the BL postcode area, 2025
Model Tests here Pass rate here Great Britain
Ford Fiesta 8,527 66.2% 65.6%
Vauxhall Corsa 6,601 67.2% 64.6%
Toyota Yaris 6,500 72.9% 73.1%
Volkswagen Golf 6,118 78.4% 75.0%
Ford Focus 5,674 69.1% 67.8%
Volkswagen Polo 4,739 71.4% 67.4%
Toyota Prius 4,523 84.5% 78.6%
Nissan Qashqai 4,502 68.9% 69.0%
Vauxhall Astra 4,244 67.3% 65.8%
Mercedes-Benz A-Class 4,085 82.5% 78.3%

Areas ranked near Bolton

By pass rate against cars of the same ages. All 118 postcode areas.

Postcode areas ranked near Bolton (BL) by age-adjusted MOT pass rate, 2025
Rank Area Pass rate Difference
39 Peterborough (PE) 73.7% +1.4 pts
40 Worcester (WR) 73.7% +1.4 pts
41 Hereford (HR) 72.6% +1.3 pts
42 Bolton (BL) 75.4% +1.2 pts
43 Oldham (OL) 74.7% +1.2 pts
44 Manchester (M) 73.0% +1.1 pts
45 Wakefield (WF) 74.0% +1.0 pts

Data sources and methodology

Datasets used on this page
Figures Source Period Records Updated
MOT results Anonymised MOT tests and results Driver and Vehicle Standards Agency
Derived statistics UK Motoring
2025 228,969 car MOT tests in the BL area 15 September 2026
  • Normal MOT tests of cars aged three and over at test stations in the BL postcode area in 2025; retests are excluded.
  • The area is where the test station is, not where the car is kept. Most people use a station near home or work, but not all.
  • Postcode area names are Royal Mail’s. The BL area covers more than Bolton itself.
  • Same ages: what all cars in Great Britain would score with this area’s mix of ages, in seven age bands.
  • Annual mileage comes from consecutive MOT odometer readings of the same car, 300 to 430 days apart.

Contains public sector information licensed under the Open Government Licence v3.0.