Mini JOHN COOPER WORKS - 2020
56.1 faults per 100 tests
Year average for all cars of 2020 is 91.3 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 2020.
Sample size: 3,871 cars, 9,563 tests and 5,365 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: 3,871 cars
The 2020 MINI John Cooper Works has a significantly lower overall defect rate of 56 defects per 100 vehicles, which is 38% better than the average for its year, standing at 90 defects per 100. It exhibits particularly strong performance in the brakes and steering categories, with defect rates of 23% and only 0.06%, respectively, compared to much higher averages. Additionally, this model shows fewer issues in lights and electrics, wheels, suspensions, and body structure compared to average figures. However, it does see a noticeable increase in defect rates as mileage accumulates, particularly in vehicles with over 124,000 miles.
Cars by mileage segment
Total: 3,871 cars
More model years for Mini JOHN COOPER WORKS
Other models from Mini
Categories
Brakes
▲ 54.5% better
23.1 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 93.3% better
0.1 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 15.6% better
11.9 faults / 100 tests
Year avg: 14.1 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
Lights & Electrics
▲ 73.2% better
3.0 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 25.7% better
72.4 faults / 100 tests
Year avg: 97.5 / 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 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
▲ 79.2% better
0.5 faults / 100 tests
Year avg: 2.4 / 100 tests
Equipment
▲ 86.7% better
0.2 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 73.0% better
1.0 faults / 100 tests
Year avg: 3.7 / 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: 1,288
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,237
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 732
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 302
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 208
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 208
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 197
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 149
Wiper blade: defective
MINOR
Occurrences: 136
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 112
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 302
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 149
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 89
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 68
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 32
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 31
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 13
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 9
Emissions levels exceed default limits
FAIL
Occurrences: 8
Any fracture or welding defect on a wheel
FAIL
Occurrences: 8