Mini COOPER S - 2018
78.3 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 S, model year 2018.
Sample size: 10,949 cars, 24,522 tests and 19,202 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: 10,949 cars
The 2018 MINI Cooper S has a significantly lower overall defect rate than the average car of the same year, with 78 defects per 100 vehicles compared to 120. The Cooper S excels in various categories, particularly in brakes and steering, where it shows 46% and 91% lower defect rates than average, respectively. Additionally, it performs remarkably well in body structure and equipment defects, with an 81% and 80% reduction compared to the average. Although the defect rates increase with mileage, the Cooper S remains notably better than average across most mileage segments. Overall, this model stands out positively in several key areas, indicating a strong reliability compared to its peers.
Cars by mileage segment
Total: 10,949 cars
Categories
Brakes
▲ 47.7% better
36.0 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
Steering
▲ 92.0% better
0.4 faults / 100 tests
Year avg: 5.0 / 100 tests
Visibility
▼ 9.4% worse
15.2 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
▲ 76.7% better
4.1 faults / 100 tests
Year avg: 17.6 / 100 tests
Wheels & Suspension
▲ 22.3% better
98.5 faults / 100 tests
Year avg: 126.7 / 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 wheel: badly distorted or wear between wheel and hub at spigot mounting
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 82.4% better
0.9 faults / 100 tests
Year avg: 5.1 / 100 tests
Equipment
▲ 81.8% better
0.4 faults / 100 tests
Year avg: 2.2 / 100 tests
Other
▲ 85.7% better
1.0 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)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 4,427
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 3,955
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,585
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,533
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 724
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 713
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 638
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 628
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 585
Wiper blade: defective
MINOR
Occurrences: 459
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 724
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 395
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 336
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 325
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 184
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 84
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 67
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 63
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 60
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 50