Is the Mini One reliable?

The Mini One has an average MOT pass rate of 81% across 21 years, based on 85,870 tests in 2026. That's 1 points below the national average of 82%. The most reliable year is 2020 with a 94% pass rate.

Which year Mini One is best?

The 2020 Mini One has the highest MOT pass rate at 94%, while the 2003 model has the lowest at 67%. There's a 27 percentage point spread between the best and worst years.

Mini One

Reliability, running costs, and MOT data across 21 years from 85,870 real MOT tests.

Avg Pass Rate

81%

Total Tests

85,870

Best Year

2020 (94%)

Years Covered

About the Mini One

The Mini One has been tested 85,870 times in 2026 MOT data across 21 model years (2002 to 2022), with an average pass rate of 81%. That's close to the national average of 82%. Available as diesel and petrol.

Best and Worst Years

The 2020 model is the most reliable with a 94% pass rate from 1,884 tests. The 2003 model has the lowest at 67%. With a 27 point spread, choosing the right year makes a big difference to reliability.

Reliability Trend

Newer MINI ONEs show better MOT pass rates than older ones, with an average improvement of 18 percentage points.

Mileage Across Years

The oldest model in our data (2002) averages 113,107 miles, while the newest (2022) averages 20,160 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Estimated Running Costs

Fuel (Petrol, 1499cc)

£1,137

Road Tax

£195

MOT Test

£55

Predicted Repairs

£200

Total per year£1,587

Per month£132/mo

Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.

Full 2022 details

How reliable is the Mini One?

vs national average-1% (82% avg)

vs Mini brand average-3% (84% avg)

Best to worst year spread27 percentage points

Reliability trendImproving over years

Mini One by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2022	94%	138	20,160 mi
2021	93%	2,356	21,212 mi
2020	94%	1,884	24,926 mi
2019	91%	2,504	31,716 mi
2018	92%	2,625	35,237 mi
2017	91%	9,126	44,787 mi
2016	90%	14,249	52,236 mi
2015	89%	18,016	58,665 mi
2014	88%	11,021	66,312 mi
2013	84%	11,674	69,388 mi
2012	84%	6,640	73,564 mi
2011	79%	1,416	81,305 mi
2010	79%	844	83,055 mi
2009	71%	624	81,764 mi
2008	69%	659	90,766 mi
2007	68%	587	85,270 mi
2006	74%	382	98,556 mi
2005	72%	436	97,952 mi
2004	68%	348	101,925 mi
2003	67%	232	104,829 mi
2002	72%	109	113,107 mi