Mini JOHN COOPER WORKS - 2012
161.2 faults per 100 tests
Year average for all cars of 2012 is 249.2 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 2012.
Sample size: 348 cars, 845 tests and 1,362 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: 348 cars
The 2012 MINI John Cooper Works has an overall defect rate of 161 per 100 vehicles, which is significantly lower than the average of 246 per 100 vehicles for the same year, reflecting a 34.5% improvement. This model shows fewer defects in key areas such as brakes, steering, and body structure, with particularly low failure rates in brakes at 74% compared to the average of 107%. However, it does have a higher rate of defects in the "Other" category, standing at 29% against an average of 23%. Mileage trends indicate that defect rates increase with higher mileages, particularly in the 93,000–124,000 miles range. Overall, this model performs well compared to peers, especially in critical safety-related areas.
Cars by mileage segment
Total: 348 cars
More model years for Mini JOHN COOPER WORKS
Other models from Mini
Categories
Brakes
▲ 28.6% better
74.1 faults / 100 tests
Year avg: 103.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 56.8% better
5.7 faults / 100 tests
Year avg: 13.2 / 100 tests
Visibility
▲ 29.7% better
13.5 faults / 100 tests
Year avg: 19.2 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 30.4% better
43.1 faults / 100 tests
Year avg: 61.9 / 100 tests
Wheels & Suspension
▲ 39.0% better
149.1 faults / 100 tests
Year avg: 244.4 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension component: excessively damaged or corroded
- A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 72.1% better
7.3 faults / 100 tests
Year avg: 26.2 / 100 tests
Equipment
▲ 88.7% better
0.7 faults / 100 tests
Year avg: 6.2 / 100 tests
Other
▼ 21.2% worse
28.6 faults / 100 tests
Year avg: 23.6 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
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: 185
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 153
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 87
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 79
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 66
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 63
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 55
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 39
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 33
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 32
Serious faults (Top 10)
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 24
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 19
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 15
Emissions levels exceed default limits
FAIL
Occurrences: 12
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 11
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 11
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 9
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 8
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 7
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 7