Mazda Demio MOT reliability

Mazda Demios passed their MOT first time 57% of the time across 553 tests in 2025. 450 are still licensed in Great Britain.

First-time pass rate

57%

MOTs analysed

553

Still licensed (GB)

450

Body type

Hatchback

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

2021 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 0%. Typical mileage 63,894 (most between 63,894 and 63,894).

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

Most common failures

Headlamp: has a product on the lens so that the light output is severely reduced (100.0%)
Headlamp aim: projected beam image is obviously incorrect (100.0%)

Where 2021 Demios fail

Lights & electrics

100.0%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

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.