Mazda CX 30 MOT failures and reliability
In 2023 the Mazda CX 30 took 6,689 MOT tests in Britain and passed 94% of them first time, above the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 6,689
- First-time pass rate
- 94%
- All cars
- 71%
What the CX 30 fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Tyres2.4% (all cars 6.4%)
- Visibility1.5% (all cars 4.8%)
- Lights and electrics0.9% (all cars 11.3%)
- Brakes0.8% (all cars 6.8%)
- Exhaust and emissions0.7% (all cars 3.1%)
- Suspension0.4% (all cars 9.0%)
- Number plates and VIN0.1% (all cars 0.4%)
- Seat belts and airbags0.1% (all cars 1.0%)
Most common failure items
Share of tests on which each item was recorded.
- Tyres, condition: has a cut in excess of the requirements deep enough to reach the ply or cords 1.3%
- Wipers: does not clear the windscreen effectively 0.7%
- Malfunction indicator lamp: inoperative or indicates a malfunction 0.7%
- Tread depth: tread depth below requirements of 1.6mm 0.6%
- Washers: provides insufficient washer liquid 0.5%
- Brake pads: less than 1.5 mm thick 0.5%
- Headlamp aim: too low 0.4%
- Headlamp aim: too high 0.3%
Most common advisories
- Tread depth: worn close to legal limit/worn on edge 9.6%
- Brake discs: worn, pitted or scored, but not seriously weakened 7.7%
- Brake pads: wearing thin 6.0%
- Shock absorbers: has light misting of oil 5.6%
- Tyres, condition: has a cut but not deep enough to reach the ply or cords 2.1%
- Non-component advisories: Child Seat fitted not allowing full inspection of adult belt 2.0%
- Brake discs: worn, but not excessively 1.4%
- Non-component advisories: Nail in tyre 1.3%
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 3 years | 20,324 miles |
| 4 years | 21,965 miles |
Check a particular CX 30
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other Mazda models
- Mazda 2
- Mazda 3
- Mazda MX 5
- Mazda 6
- Mazda CX 5
- Mazda CX 3
- Mazda 5
- Mazda Bongo
- Mazda RX 8
- Mazda B Series
- Mazda 323
- Mazda CX 7
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.