MINI John Cooper Works

Reliability, estimated running costs, and MOT data across 15 model years from 49,626 MOT tests in 2024.

Avg Pass Rate

90%

Total Tests

49,626

Highest Pass Rate

2021 (95%)

Years Covered

About the MINI John Cooper Works

The MINI John Cooper Works was MOT tested 49,626 times in 2024 (DVSA data, retests included) across 15 model years (2008 to 2022), with an average pass rate of 90%. That's comfortably above the average of 82% across all models in our data. Our records list petrol versions.

Best and Worst Years

Of the years with at least 100 tests, the 2021 model has the highest pass rate at 95% from 6,520 tests. The 2010 model has the lowest at 83%. The 12 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

Newer MINI John Cooper Workss pass their MOT more often than older ones, by 6 percentage points on average, which is mostly down to age and wear.

Mileage Across Years

The oldest model in our data (2008) averages 91,184 miles, while the newest (2022) averages 18,352 miles.

Compared to the MINI brand average of 84%, the John Cooper Works performs 6 points better, making it one of the more reliable options in the MINI range.

Estimated Running Costs

Fuel (Petrol, 1998cc)

£1,631

Road Tax

£200

MOT Test

£55

Predicted Repairs

£200

Total per year£2,086

Per month£174/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2022 details

How reliable is the MINI John Cooper Works?

vs average of all models+8% (82% avg)

vs MINI brand average+6% (84% avg)

Best to worst year spread12 percentage points

Reliability trendImproving over years

MINI John Cooper Works by Year

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

Year	Pass Rate	Tests	Avg Mileage
2022	96%	633	18,352 mi
2021	95%	6,520	21,255 mi
2020	94%	7,259	25,983 mi
2019	93%	6,901	30,136 mi
2018	92%	7,317	37,701 mi
2017	90%	7,808	43,534 mi
2016	90%	5,156	49,828 mi
2015	91%	4,383	56,460 mi
2014	88%	675	56,871 mi
2013	88%	1,744	65,819 mi
2012	85%	606	71,965 mi
2011	91%	327	65,849 mi
2010	83%	123	65,971 mi
2009	83%	134	78,122 mi
2008	88%	40	91,184 mi

Questions about the MINI John Cooper Works

Is the MINI John Cooper Works reliable?

Across its 15 model years in our data (2008 to 2022), the MINI John Cooper Works averages a 90% MOT pass rate, from 49,626 tests (DVSA MOT data for tests in 2024, retests included). That's 8 points above the average of 82% across all models in the same data. The 2021 model has the highest pass rate of the years with at least 100 tests, at 95%.

Which year MINI John Cooper Works has the best MOT pass rate?

Of the years with at least 100 tests, the 2021 MINI John Cooper Works has the highest MOT pass rate at 95%, while the 2010 model has the lowest at 83%, a 12 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.