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Porsche BOXSTER - 2021

21.4 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche BOXSTER, model year 2021. Sample size: 347 cars, 845 tests and 181 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 347 cars

The 2021 Porsche Boxster has a significantly lower overall defect rate of 21 per 100 vehicles, compared to the average of 79 per 100 for its year, marking a 73% improvement. Notably, it excels in several categories, with almost no issues reported in brakes, steering, and body structure, standing out as much better than the average. Additionally, it shows fewer defects related to visibility and lights and electrics, although tyre wear remains a common issue across the board. Mileage-related trends indicate that the Boxster performs consistently well even in lower mileage brackets. Overall, this model demonstrates exceptional reliability compared to its peers.

Cars by mileage segment

Total: 347 cars

More model years for Porsche BOXSTER

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Other models from Porsche

Porsche 718 CAYMAN GT4 Porsche 718 SPYDER Porsche 911 Porsche 924 Porsche 928 Porsche 944 Porsche 968 Porsche BOXSTER Porsche CARRERA Porsche CAYENNE Porsche MACAN Porsche PANAMERA Porsche TAYCAN

Categories

Brakes
▲ 97.8% better
0.9 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • 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 lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 82.1% better
2.6 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 83.0% better
1.9 faults / 100 tests
Year avg: 11.2 / 100 tests
  • Beam image obviously incorrect
  • The aim of a headlamp is not within limits laid down in the requirements
  • 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
Wheels & Suspension
▲ 58.3% better
36.4 faults / 100 tests
Year avg: 87.3 / 100 tests
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • 5.3.2 (d)
  • 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
Body/Structure
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 2.1 / 100 tests
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 1.5 / 100 tests
Other
▲ 66.7% better
0.9 faults / 100 tests
Year avg: 2.7 / 100 tests
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users

Fault rate by mileage segment

Model    Year average
0 268 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* 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: 53
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 42
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 20
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 16
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 11
5.3.2 (d)
ADVISORY
Occurrences: 6
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 4
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 4
Beam image obviously incorrect
FAIL
Occurrences: 4
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 3

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 16
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 4
Beam image obviously incorrect
FAIL
Occurrences: 4
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 4
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 3
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 2
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 1
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 1
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 1
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
FAIL
Occurrences: 1