Mazda B MOT reliability

Mazda Bs passed their MOT first time 59% of the time across 1,438 tests in 2025. 1,775 are still licensed in Great Britain.

Example photo of a Mazda B — Photo: Rudolf Stricker · CC BY-SA 3.0 · Wikimedia Commons

First-time pass rate

59%

MOTs analysed

1,438

Still licensed (GB)

1,775

Body type

–

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2011 petrol

1 MOT

These figures come from only 1 MOT test. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 100%. Typical mileage 146,998 (most between 146,998 and 146,998).

2021: 100% → 2022: 0% → 2023: 100% → 2024: 100% → 2025: 100%

Most common failures

2011 diesel

1 MOT

These figures come from only 1 MOT test. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 100%. Typical mileage 137,882 (most between 137,882 and 137,882).

2021: 67% → 2022: 100% → 2023: 100% → 2024: 0% → 2025: 100%

Most common failures

Looking at a particular car?

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Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.