Mini ONE MOT failures and reliability

In 2023 the Mini ONE took 50,867 MOT tests in Britain and passed 80% 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: 50,867
First-time pass rate: 80%
All cars: 71%

What the ONE fails on

Share of tests with at least one failure in each area, against the figure for all cars.

Lights and electrics7.2% (all cars 11.3%)
Tyres5.8% (all cars 6.4%)
Visibility5.4% (all cars 4.8%)
Brakes3.3% (all cars 6.8%)
Exhaust and emissions2.0% (all cars 3.1%)
Suspension1.7% (all cars 9.0%)
Body and structure0.8% (all cars 3.5%)
Seat belts and airbags0.3% (all cars 1.0%)

Most common failure items

Share of tests on which each item was recorded.

Wipers: does not clear the windscreen effectively 3.5%
Position lamp: not working 2.2%
Tread depth: tread depth below requirements of 1.6mm 1.7%
Brake pads: less than 1.5 mm thick 1.5%
Tyres, condition: has a cut in excess of the requirements deep enough to reach the ply or cords 1.4%
Washers: provides insufficient washer liquid 1.2%
Headlamp aim: too low 1.1%
Stop lamp: not working 1.1%

Most common advisories

Tread depth: worn close to legal limit/worn on edge 15.8%
Tyres, condition: slightly damaged/cracking or perishing 12.3%
Brake discs: worn, pitted or scored, but not seriously weakened 6.4%
Brake pads: wearing thin 6.3%
Brake discs: worn, but not excessively 2.0%
Engine oil leaks: leak, but not excessive 2.0%
Suspension arms, pins and bushes: pin or bush worn but not resulting in excessive movement 1.5%
Registration plates: deteriorated but not likely to be misread 1.4%

Pass rate by year of registration

Older cars fail more often whatever the model, so compare a car with others of the same age.

First registered	Tests	Pass rate
2008	310	50%
2009	365	55%
2010	683	66%
2011	1,227	71%
2012	4,661	73%
2013	7,554	74%
2014	6,286	81%
2015	10,495	83%
2016	8,404	85%
2017	5,410	84%
2018	1,568	87%
2019	1,570	89%
2020	1,187	90%

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	18,606 miles
4 years	23,998 miles
5 years	29,064 miles
6 years	38,046 miles
7 years	44,863 miles
8 years	51,537 miles
9 years	59,178 miles
10 years	61,507 miles
11 years	69,389 miles
12 years	80,182 miles
13 years	81,688 miles
14 years	77,016 miles
15 years	86,789 miles
16 years	84,158 miles
17 years	92,990 miles
18 years	94,733 miles
19 years	101,986 miles
20 years	101,454 miles

Check a particular ONE

Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.

Other Mini models

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.