Mini COOPER S - 2021
54.7 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mini COOPER S, model year 2021.
Sample size: 11,481 cars, 27,030 tests and 14,783 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: 11,481 cars
The 2021 MINI Cooper S has an overall defect rate of 55 defects per 100 vehicles, which is significantly lower than the average of 79 defects per 100 vehicles for the same year, marking a 30% improvement. Notably, the model excels in several categories, particularly brakes, where it has a defect rate of just 11, compared to the average of 38. Additionally, it shows remarkable performance in steering and body structure defects, with rates of 0.08 and 0.21 respectively, far better than the averages. Mileage trends indicate that defects increase with mileage, but even at higher mileages, the MINI Cooper S performs well compared to typical vehicles. Overall, this model stands out for its reliability in critical areas, making it a favourable choice among 2021 cars.
Cars by mileage segment
Total: 11,481 cars
Categories
Brakes
▲ 72.0% better
11.2 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
Steering
▲ 85.7% better
0.1 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 3.4% better
14.0 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
Lights & Electrics
▲ 64.3% better
4.0 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
▲ 9.2% better
79.3 faults / 100 tests
Year avg: 87.3 / 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 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 90.5% better
0.2 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 80.0% better
0.3 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 88.9% better
0.3 faults / 100 tests
Year avg: 2.7 / 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: 4,110
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 3,361
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 888
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 831
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 772
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 728
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 632
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 426
Wiper blade: defective
MINOR
Occurrences: 426
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 363
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 831
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 728
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 339
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 171
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 104
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 58
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 36
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 28
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 23
An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 21