Mini JOHN COOPER WORKS - 2015
88.9 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mini JOHN COOPER WORKS, model year 2015.
Sample size: 2,052 cars, 5,059 tests and 4,498 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 2,052 cars
The 2015 MINI John Cooper Works has an overall defect rate of 89 per 100 vehicles, significantly lower than the average rate of 170 per 100 for cars of the same year, representing a 48% improvement. This model performs particularly well in categories such as brakes and steering, with defect rates of 48% and 1% respectively, compared to average rates of 84% and 9%. While there is a noticeable increase in defect rates as mileage increases, the MINI consistently outperforms its peers across various categories, indicating strong reliability. There are no specific standout areas where this model underperforms.
Cars by mileage segment
Total: 2,052 cars
More model years for Mini JOHN COOPER WORKS
Other models from Mini
Categories
Brakes
▲ 43.2% better
48.1 faults / 100 tests
Year avg: 84.7 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
Steering
▲ 91.9% better
0.8 faults / 100 tests
Year avg: 9.9 / 100 tests
Visibility
▲ 7.5% better
14.9 faults / 100 tests
Year avg: 16.1 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 60.0% better
12.4 faults / 100 tests
Year avg: 31.0 / 100 tests
Wheels & Suspension
▲ 47.3% better
94.0 faults / 100 tests
Year avg: 178.3 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 78.6% better
2.5 faults / 100 tests
Year avg: 11.7 / 100 tests
Equipment
▲ 87.5% better
0.5 faults / 100 tests
Year avg: 4.0 / 100 tests
Other
▲ 64.4% better
4.7 faults / 100 tests
Year avg: 13.2 / 100 tests
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 693
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 449
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 433
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 390
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 263
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 237
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 218
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 157
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 117
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 108
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 237
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 71
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 57
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 36
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 35
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 27
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 26
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 25
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 18
Emissions levels exceed default limits
FAIL
Occurrences: 18