Porsche 718 CAYMAN GT4 - 2020
14.0 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 718 CAYMAN GT4, model year 2020.
Sample size: 508 cars, 1,270 tests and 178 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: 508 cars
The 2020 Porsche 718 Cayman GT4 exhibits a significantly lower overall defect rate compared to the average car from the same year, with only 14 defects per 100 vehicles versus the average of 90. This remarkable performance translates to an 84% improvement over the average. In particular, the model excels in categories such as brakes, steering, and visibility, showing near-zero defect rates, while it also has a notably lower incidence of issues with lights and electrics. Additionally, the defect rates appear higher for lower mileage vehicles in both the model and the yearly averages, suggesting that the Porsche's reliability may improve with more mileage. Overall, the 718 Cayman GT4 stands out as a highly reliable vehicle relative to its peers.
Cars by mileage segment
Total: 508 cars
More model years for Porsche 718 CAYMAN GT4
Other models from Porsche
Categories
Brakes
▲ 94.7% better
2.7 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake disc or drum: significantly and obviously worn
- Warning device shows system malfunction
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Visibility
▲ 74.5% better
3.6 faults / 100 tests
Year avg: 14.1 / 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
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
Lights & Electrics
▲ 94.6% better
0.6 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
▲ 78.9% better
20.6 faults / 100 tests
Year avg: 97.5 / 100 tests
- 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
- Tyre tread depth not in accordance with the requirements
- 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
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 2.4 / 100 tests
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 86.5% better
0.5 faults / 100 tests
Year avg: 3.7 / 100 tests
- 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: 73
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 21
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 11
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 10
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 6
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 5
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 5
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
PRS
Occurrences: 5
Any fracture or welding defect on a wheel
FAIL
Occurrences: 4
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 4
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 6
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 5
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 4
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 4
Any fracture or welding defect on a wheel
FAIL
Occurrences: 4
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 4
Warning device shows system malfunction
FAIL
Occurrences: 3
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 3
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 2