MOT by postcode area

MOT results in Cardiff (CF)

How cars did at MOT test stations in the CF postcode area (Wales) 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
473,860 car MOT tests in the CF area
Methodology
View methodology
  • MOT first-time pass rate, 2025 69.1% Great Britain 72.8%
  • Against cars of the same ages −4.1 pts 101st of 118 areas
  • Average age at the test 10.3 years cars aged three and over
  • Tests finding a dangerous defect 10.0% Great Britain 7.3%
  • Average annual mileage 6,799 miles; Great Britain 6,728
  • Car MOT tests, 2025 473,860 472,413 in 2024

How do cars in Cardiff do at their MOT?

In 2025, 69.1% of the 473,860 car MOT tests at stations in the CF postcode area were passed first time, against 72.8% across Great Britain. The cars tested here averaged 10.3 years old; with that mix of ages, cars across Great Britain pass 73.2% of the time, so Cardiff does 4.1 points worse than its age mix would suggest, 101st of 118 areas. In 2024 the pass rate here was 68.4%.

Pass rate by age: Cardiff 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 CF postcode area compared with Great Britain, 2025
Vehicle age CardiffGreat Britain
3 years 89.2%89.5%
4–5 years 87.0%87.6%
6–7 years 80.8%83.0%
8–10 years 71.5%75.7%
11–14 years 60.2%65.5%
15–19 years 51.3%58.0%
20+ years 55.0%61.0%

Source:DVSA,UK Motoring analysis 2025 Updated

Most common MOT failures in Cardiff

Lamps, reflectors and electrical equipment defects appeared on 37.0% of failed tests here (Great Britain 36.8%). The most common single defect was “Tyres: tread depth below requirements of 1.6mm” (14.0% of failed tests). 55.2% 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 CF postcode area with a defect in each category, with Great Britain for comparison, 2025
Category Share of failed tests
Lamps, reflectors and electrical equipment 37.0%
Suspension 34.2%
Tyres 26.0%
Brakes 25.3%
Visibility 16.3%
Noise, emissions and leaks 11.6%
Body, chassis, structure 11.3%
Steering 7.6%

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 CF postcode area, 2025
Defect Share of failed tests
Tyres: tread depth below requirements of 1.6mm Tyres 14.0%
Position lamp: not working Lamps, reflectors and electrical equipment 8.9%
Coil spring: fractured or broken Suspension 8.5%
Brake pads: less than 1.5 mm thick Brakes 7.9%
Stop lamp: not working Lamps, reflectors and electrical equipment 7.5%
Wipers: does not clear the windscreen effectively Visibility 7.2%
Suspension arms: ball joint excessively worn Suspension 6.5%
Malfunction indicator lamp: inoperative or indicates a malfunction Noise, emissions and leaks 5.9%
Tyres: ply or cords exposed Tyres 5.5%
Headlamp: not working on dipped beam Lamps, reflectors and electrical equipment 5.5%

Source:DVSA,UK Motoring analysis 2025 Updated

Cars tested most in Cardiff

The models with the most MOT tests in the CF 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 CF postcode area, 2025
Model Tests here Pass rate here Great Britain
Ford Fiesta 30,118 60.7% 65.6%
Ford Focus 14,870 64.3% 67.8%
Vauxhall Corsa 13,888 61.9% 64.6%
Volkswagen Golf 12,642 71.9% 75.0%
Volkswagen Polo 10,550 62.6% 67.4%
Nissan Qashqai 9,257 65.5% 69.0%
Fiat 500 8,354 64.2% 67.8%
Vauxhall Astra 7,607 62.4% 65.8%
Renault Clio 6,823 54.8% 57.0%
Audi A3 6,813 73.1% 75.8%

Areas ranked near Cardiff

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

Postcode areas ranked near Cardiff (CF) by age-adjusted MOT pass rate, 2025
Rank Area Pass rate Difference
98 Blackpool (FY) 68.5% −4.1 pts
99 Glasgow (G) 72.4% −4.1 pts
100 Truro (TR) 66.5% −4.1 pts
101 Cardiff (CF) 69.1% −4.1 pts
102 Lincoln (LN) 68.6% −4.1 pts
103 Salisbury (SP) 66.9% −4.4 pts
104 Llandrindod Wells (LD) 66.6% −4.5 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 473,860 car MOT tests in the CF area 15 September 2026
  • Normal MOT tests of cars aged three and over at test stations in the CF 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 CF area covers more than Cardiff 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.