Porsche BOXSTER - 2015
55.2 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche BOXSTER, model year 2015.
Sample size: 1,359 cars, 3,252 tests and 1,796 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: 1,359 cars
The 2015 Porsche Boxster has a significantly lower overall defect rate compared to the average car of the same year, with 55 defects per 100 vehicles compared to the average of 170. Common defects tend to increase with mileage, particularly evident in the higher mileage categories, but the Boxster performs exceptionally well in areas such as brakes, steering, and visibility. Notable strengths include a 64% better performance in brakes and an impressive 99% lower rate of steering defects compared to the average. Overall, the Boxster stands out positively in several key categories, demonstrating a solid reliability compared to its peers.
Cars by mileage segment
Total: 1,359 cars
Categories
Brakes
▲ 64.5% better
30.1 faults / 100 tests
Year avg: 84.7 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake lining or pad: worn below 1.5mm
- Brake hose ferrules: excessively corroded
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
Steering
▲ 99.0% better
0.1 faults / 100 tests
Year avg: 9.9 / 100 tests
- A steering linkage component with: relative movement between components which should be fixed
- A steering ball joint: with excessive wear or free play
Visibility
▲ 67.1% better
5.3 faults / 100 tests
Year avg: 16.1 / 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
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 83.2% better
5.2 faults / 100 tests
Year avg: 31.0 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- 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
- Stop lamp(s): with a multiple light source up to 1/2 not functioning
- Lamp emitted colour, position or intensity not in accordance with the requirements
Wheels & Suspension
▲ 64.7% better
63.0 faults / 100 tests
Year avg: 178.3 / 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 suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 79.5% better
2.4 faults / 100 tests
Year avg: 11.7 / 100 tests
- Exhaust system has a major leak or is insecure
- 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
- A transmission shaft constant velocity joint boot: severely deteriorated
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
Equipment
▲ 90.0% better
0.4 faults / 100 tests
Year avg: 4.0 / 100 tests
- Audible warning:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- ESC MIL indicates a system malfunction
Other
▲ 70.5% better
3.9 faults / 100 tests
Year avg: 13.2 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions test unable to be completed
- Emission control equipment fitted by the manufacturer: missing, obviously modified or obviously defective
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions levels exceed default limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 373
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 334
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 204
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 152
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 119
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 52
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 51
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 39
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 34
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 31
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 34
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 22
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 18
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 17
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 13
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 13
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 12
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 12
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 8
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 6