Porsche BOXSTER - 2018
43.7 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche BOXSTER, model year 2018.
Sample size: 1,345 cars, 3,432 tests and 1,499 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: 1,345 cars
The 2018 Porsche Boxster exhibits a significantly lower overall defect rate compared to the average car of the same year, with 44 defects per 100 vehicles, which is 64% fewer than the typical 120 defects. Notably, the model performs exceptionally well in several categories, particularly in brakes and steering, where it shows an impressive reduction in defect rates compared to the average. Mileage trends indicate that the Boxster has higher defect rates in the lower mileage segments, but still remains well below the average across all categories. This model stands out for its reliability and lower incidence of issues related to visibility, lights, and overall body structure.
Cars by mileage segment
Total: 1,345 cars
Categories
Brakes
▲ 82.6% better
12.0 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brakes imbalance across an axle such that: the braking effort from any wheel is less than 70% of the maximum effort recorded from the other wheel on the same axle. Or in the case of testing on the road, the vehicle deviates excessively from a straight lin
- Brake disc or drum: significantly and obviously worn
- Brake pipe damaged or excessively corroded
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 5.0 / 100 tests
Visibility
▲ 66.2% better
4.7 faults / 100 tests
Year avg: 13.9 / 100 tests
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear 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: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 79.5% better
3.6 faults / 100 tests
Year avg: 17.6 / 100 tests
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
- A lens defective: which has no effect on emitted light
- 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
- A lamp: not securely attached
Wheels & Suspension
▲ 49.0% better
64.6 faults / 100 tests
Year avg: 126.7 / 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
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 82.4% better
0.9 faults / 100 tests
Year avg: 5.1 / 100 tests
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▲ 77.3% better
0.5 faults / 100 tests
Year avg: 2.2 / 100 tests
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 85.7% better
1.0 faults / 100 tests
Year avg: 7.0 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- 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: 505
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 380
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 101
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 57
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 50
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 41
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 39
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 38
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 37
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 27
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 50
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 38
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 23
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 14
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 8
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 5
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 4
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 4
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 4
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 4