MINI Mini John MOT reliability

MINI Mini Johns passed their MOT first time 57% of the time across 35 tests in 2025.

These figures come from 35 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

First-time pass rate

57%

MOTs analysed

35

Still licensed (GB)

–

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

2008 petrol

14 MOTs

These figures come from only 14 MOT tests. 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 64%. Typical mileage 80,348 (most between 65,889 and 102,429).

2010: 100% → 2011: 78% → 2012: 86% → 2013: 91% → 2014: 87% → 2015: 73% → 2016: 90% → 2017: 76% → 2018: 67% → 2019: 71% → 2020: 86% → 2021: 74% → 2022: 67% → 2023: 79% → 2024: 53% → 2025: 64%

Most common failures

Brake discs: significantly and obviously worn (7.1%)
Catalyst emissions: carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (7.1%)
Catalyst emissions: carbon monoxide content at idle exceeds manufacturer's specified limits (7.1%)
Catalytic converter: missing where one was fitted as standard (7.1%)
Driver's view: of the road through the swept area of the windscreen significantly affected by an obstruction (7.1%)

Where 2008 Mini Johns fail

Lights & electrics

21.4%

Exhaust, emissions & leaks

21.4%

Visibility & wipers

14.3%

Body, structure & corrosion

7.1%

Brakes

7.1%

Seat belts & other equipment

7.1%

Suspension & axles

7.1%

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.