Porsche BOXSTER - 2017
52.1 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche BOXSTER, model year 2017.
Sample size: 1,306 cars, 3,340 tests and 1,741 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: 1,306 cars
The 2017 Porsche Boxster has a significantly lower overall defect rate than the average car of the same year, with 52 defects per 100 vehicles compared to 134. Notably, it excels in categories such as brakes, steering, visibility, and lights and electrics, where it shows considerably fewer defects than the average. Additionally, the model demonstrates a marked improvement in defects related to body structure and equipment. However, as mileage increases, the defect rates for the Boxster do not follow the same upward trend as seen in the average car, suggesting a more consistent performance across different mileage brackets. Overall, the Boxster stands out as a reliable choice with substantially fewer issues than its peers.
Cars by mileage segment
Total: 1,306 cars
Categories
Brakes
▲ 73.4% better
19.3 faults / 100 tests
Year avg: 72.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Excessive fluctuation in brake effort through each wheel revolution
- Brake pipe damaged or excessively corroded
- Brake disc or drum: significantly and obviously worn
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 5.6 / 100 tests
Visibility
▲ 60.0% better
5.8 faults / 100 tests
Year avg: 14.5 / 100 tests
- 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: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 78.4% better
4.4 faults / 100 tests
Year avg: 20.4 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Headlamp reflector or lens: slightly defective
- Headlamp levelling device inoperative
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 50.2% better
71.3 faults / 100 tests
Year avg: 143.1 / 100 tests
- Tyre tread depth not in accordance with the requirements
- 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 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
▲ 80.0% better
1.4 faults / 100 tests
Year avg: 7.0 / 100 tests
- Exhaust system has a major leak or is insecure
- A passenger seat: insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▲ 88.9% better
0.3 faults / 100 tests
Year avg: 2.7 / 100 tests
- Seat belt anchorage loose
- Seat belt buckle missing, damaged or not functioning as intended
- Audible warning not in accordance with requirements
Other
▲ 84.4% better
1.4 faults / 100 tests
Year avg: 9.0 / 100 tests
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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
- Any part of the noise suppression system: insecure
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: 504
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 396
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 138
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 75
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 52
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 45
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 43
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 40
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 39
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 37
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 52
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 43
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 25
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 15
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 10
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 10
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 7
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 6
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 6
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 4