Mini COOPER - 2018
86.7 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 COOPER, model year 2018.
Sample size: 33,192 cars, 71,643 tests and 62,129 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: 33,192 cars
The 2018 MINI Cooper exhibits a significantly lower overall defect rate of 87 defects per 100 vehicles, which is 28% better than the average for cars of the same year, at 120 defects per 100 vehicles. While tyre wear is a common issue across many vehicles, this model stands out positively in categories such as brakes, steering, and body structure, all of which show notably fewer defects compared to the average. However, it performs less favourably in visibility-related issues, with a defect rate of 18, which is higher than the average of 14. The defect rates increase with mileage, particularly in the higher mileage segments, indicating a trend that aligns with typical wear and tear patterns.
Cars by mileage segment
Total: 33,192 cars
Categories
Brakes
▲ 53.5% better
32.0 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
▼ 33.1% worse
18.5 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: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 72.7% better
4.8 faults / 100 tests
Year avg: 17.6 / 100 tests
Wheels & Suspension
▲ 9.3% better
114.9 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 cut in excess of the requirements deep enough to reach the ply or cords
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A wheel: badly distorted or wear between wheel and hub at spigot mounting
Body/Structure
▲ 90.2% better
0.5 faults / 100 tests
Year avg: 5.1 / 100 tests
Equipment
▲ 63.6% better
0.8 faults / 100 tests
Year avg: 2.2 / 100 tests
Other
▲ 77.1% better
1.6 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: 16,766
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 14,588
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 4,757
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 3,081
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 2,125
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 2,021
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,827
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,558
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 1,394
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 1,305
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,827
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 1,394
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,255
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 984
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 667
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 354
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 237
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 185
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 152
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 128