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Mini COOPER - 2003

440.3 faults per 100 tests
Year average for all cars of 2003 is 380.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mini COOPER, model year 2003. Sample size: 216 cars, 476 tests and 2,096 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 216 cars

The 2003 MINI Cooper has an overall defect rate of 440 defects per 100 vehicles, which is 16% higher than the average for cars of the same year. Notably, this model shows higher defect rates in the categories of brakes, steering, and lights and electrics compared to the average, indicating potential areas of concern for owners. Conversely, it performs significantly better in equipment-related issues, with a defect rate of just 5%, compared to the average of 13%. Defect rates tend to increase with mileage, particularly noticeable in the 93,000 to 124,000-mile range, where the Cooper sees a marked rise in reported issues. Overall, while the MINI Cooper excels in certain areas, it also faces challenges that may require attention as vehicles age.

Cars by mileage segment

Total: 216 cars

Categories

Brakes
▼ 58.8% worse
268.9 faults / 100 tests
Year avg: 169.3 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
Steering
▼ 43.3% worse
36.1 faults / 100 tests
Year avg: 25.2 / 100 tests
Visibility
▲ 11.1% better
26.5 faults / 100 tests
Year avg: 29.8 / 100 tests
Lights & Electrics
▼ 34.0% worse
137.8 faults / 100 tests
Year avg: 102.8 / 100 tests
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▲ 5.3% better
286.1 faults / 100 tests
Year avg: 302.1 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension component: excessively damaged or corroded
  • A suspension pin, bush, joint or bearing: excessively worn
  • A spring: or spring component fractured or seriously weakened
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 16.3% better
54.6 faults / 100 tests
Year avg: 65.2 / 100 tests
Equipment
▲ 63.2% better
5.0 faults / 100 tests
Year avg: 13.6 / 100 tests
Other
▼ 24.3% worse
65.5 faults / 100 tests
Year avg: 52.7 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 620 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 296
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 129
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 128
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 107
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 107
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 97
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 87
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 58
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 51
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 48

Serious faults (Top 10)

Beam image obviously incorrect
FAIL
Occurrences: 43
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 27
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 25
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 21
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 21
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 17
Fuel system: leaking, or missing or ineffective filler cap
FAIL
Occurrences: 17
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 16
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 14
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 12