Mini JOHN COOPER WORKS - 2018
66.2 faults per 100 tests
Year average for all cars of 2018 is 123.2 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 2018.
Sample size: 3,475 cars, 8,990 tests and 5,953 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: 3,475 cars
The 2018 MINI John Cooper Works demonstrates a significantly lower overall defect rate of 66 per 100 vehicles, which is 45% better than the yearly average of 120 defects per 100 cars. It particularly excels in categories such as brakes, steering, and lights and electrics, showing notable reductions in defect rates compared to average figures. While mileage-related trends indicate an increase in defects as mileage rises, this model consistently performs better across all mileage segments. Overall, the MINI stands out for its reliability in key areas, making it a strong performer in comparison to similar vehicles.
Cars by mileage segment
Total: 3,475 cars
More model years for Mini JOHN COOPER WORKS
Other models from Mini
Categories
Brakes
▲ 55.4% better
30.7 faults / 100 tests
Year avg: 68.8 / 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
▲ 94.0% better
0.3 faults / 100 tests
Year avg: 5.0 / 100 tests
Visibility
▼ 2.2% worse
14.2 faults / 100 tests
Year avg: 13.9 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
Lights & Electrics
▲ 80.7% better
3.4 faults / 100 tests
Year avg: 17.6 / 100 tests
Wheels & Suspension
▲ 36.2% better
80.8 faults / 100 tests
Year avg: 126.7 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 76.5% better
1.2 faults / 100 tests
Year avg: 5.1 / 100 tests
Equipment
▲ 90.9% better
0.2 faults / 100 tests
Year avg: 2.2 / 100 tests
Other
▲ 78.6% better
1.5 faults / 100 tests
Year avg: 7.0 / 100 tests
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,247
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,072
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 571
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 500
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 494
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 262
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 194
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 137
Wiper blade: defective
MINOR
Occurrences: 119
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 108
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 500
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 137
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 104
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 55
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 48
Any fracture or welding defect on a wheel
FAIL
Occurrences: 35
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 23
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 22
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 18
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 17