MINI ONE (2015)
Running costs, common problems, and reliability data based on 18,016 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
18,016
Avg Mileage
58,665 mi
Est. Annual Cost
£1,445
Is the 2015 MINI ONE reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%. It also outperforms the MINI brand average of 84%.
At 9 years old, 89% of MINI ONEs from 2015 passed their MOT first time in 2024. That's based on 18,016 tests across the UK. The average mileage at this age is 58,665 miles.
How does the 2015 MINI ONE compare?
Mileage Analysis
The average 2015 MINI ONE has 58,665 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
Best year to buy a MINI ONE?
The most reliable year is the 2020 model with a 94% MOT pass rate, while the 2003 model has the lowest at 67%. The 2015 sits between the two at 89%.
How much does a 2015 MINI ONE cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MINI ONE by Year
| 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 |
Checking a specific MINI ONE?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 MINI ONE
The 2015 MINI ONE is a small family car with a 1496cc diesel engine. 18,016 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.
With an average of 58,665 miles at 9 years old, MINI ONE owners drive about as much as the UK average.
2015 MINI ONE Fuel Costs
The 1496cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2015 MINI ONE?
Total estimated annual running cost is £1,445 (£120/month), broken down as £905 fuel, £135 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 89% pass rate. Keeping on top of servicing will help avoid surprises.
MINI ONE Reliability Trend
Newer MINI ONEs show better MOT pass rates than older ones, with an average improvement of 18 percentage points.
Buying a Used 2015 MINI ONE
At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2020 model has the highest pass rate at 94%. With 18,016 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2015 MINI ONE
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable diesel cars with similar engines:
- FORD FIESTA (2013) 77% pass rate (-12%) from 211,536 tests
- VOLKSWAGEN GOLF (2017) 91% pass rate (+2%) from 127,682 tests
- VAUXHALL ASTRA (2013) 79% pass rate (-10%) from 101,969 tests
- MERCEDES A-CLASS (2017) 88% pass rate (-1%) from 82,055 tests