Porsche CAYENNE - 2020
48.1 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche CAYENNE, model year 2020.
Sample size: 3,348 cars, 8,011 tests and 3,850 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: 3,348 cars
The 2020 Porsche Cayenne has an overall defect rate of 48 per 100 vehicles, which is significantly lower than the average of 90 per 100 for cars of the same year, indicating a 46.5% reduction in defects. The model shows particularly strong performance in categories such as brakes, visibility, and lights and electrics, with defect rates well below the average, including no issues reported for steering and body structure. However, as mileage increases, the defect rate for the Cayenne tends to rise, especially in the 62,000 to 93,000-mile range. Overall, the Cayenne stands out for its reliability compared to its peers, particularly in key safety and visibility areas.
Cars by mileage segment
Total: 3,348 cars
More model years for Porsche CAYENNE
Other models from Porsche
Categories
Brakes
▲ 60.8% better
19.9 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn down to wear indicator
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 53.9% better
6.5 faults / 100 tests
Year avg: 14.1 / 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
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- An obstruction: materially affecting the driver’s view of the road through the swept area of the windscreen or an obligatory external mirror not visible
Lights & Electrics
▲ 80.4% better
2.2 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A lens defective: which has no effect on emitted light
- 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
- A direction indicator: lamp with a multiple light source up to 1/2 not functioning
Wheels & Suspension
▲ 31.6% better
66.7 faults / 100 tests
Year avg: 97.5 / 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 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
Body/Structure
▲ 95.8% better
0.1 faults / 100 tests
Year avg: 2.4 / 100 tests
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▲ 80.0% better
0.3 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 89.2% better
0.4 faults / 100 tests
Year avg: 3.7 / 100 tests
- 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
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
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: 1,281
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 569
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 560
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 277
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 159
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 137
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 135
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 117
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 88
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 72
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 159
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 135
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 44
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 21
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 18
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 9
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 8
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 8
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 8
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 8