Porsche CAYENNE - 2021
46.5 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 Porsche CAYENNE, model year 2021.
Sample size: 2,008 cars, 4,534 tests and 2,107 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: 2,008 cars
The 2021 Porsche Cayenne has a significantly lower overall defect rate compared to the average vehicle of the same year, with 46 defects per 100 cars against the average of 79. This marks a 41% improvement. Notably, the Cayenne excels in categories such as brakes, where it reports only 15 defects per 100 cars compared to the average of 38, and shows no defects in steering. While the model does exhibit higher defect rates in the 93,000 to 124,000 miles segment, it generally demonstrates superior reliability in key areas, particularly visibility and lights & electrics, where it performs much better than the average.
Cars by mileage segment
Total: 2,008 cars
More model years for Porsche CAYENNE
Other models from Porsche
Categories
Brakes
▲ 62.0% better
15.2 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
- Parking brake efficiency: below minimum requirement
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 69.7% better
4.4 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Windscreen or window excessively tinted: but not adversely affecting driver’s view
Lights & Electrics
▲ 83.9% better
1.8 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A registration plate lamp: not securely attached
- The aim of a headlamp is not within limits laid down in the requirements
- Reflector defective or damaged: by up to 50% of the reflecting surface
- Lamp: not securely attached
Wheels & Suspension
▲ 18.9% better
70.8 faults / 100 tests
Year avg: 87.3 / 100 tests
- 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 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
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 2.1 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 86.7% better
0.2 faults / 100 tests
Year avg: 1.5 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 81.5% better
0.5 faults / 100 tests
Year avg: 2.7 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Engine MIL inoperative or indicating a malfunction
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: 945
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 267
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 247
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 173
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 72
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 70
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 62
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 49
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 30
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 24
Serious faults (Top 10)
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 72
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 62
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 49
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 11
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 9
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 5
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 4
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 4
Service brake efficiency: below minimum requirement
FAIL
Occurrences: 4
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 4