Porsche Boxster MOT failures and reliability
In 2023 the Porsche Boxster took 33,164 MOT tests in Britain and passed 82% of them first time, above the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 33,164
- First-time pass rate
- 82%
- All cars
- 71%
What the Boxster fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Lights and electrics6.6% (all cars 11.3%)
- Exhaust and emissions4.4% (all cars 3.1%)
- Brakes4.2% (all cars 6.8%)
- Suspension4.2% (all cars 9.0%)
- Tyres3.2% (all cars 6.4%)
- Visibility2.4% (all cars 4.8%)
- Body and structure1.7% (all cars 3.5%)
- Steering0.7% (all cars 1.8%)
Most common failure items
Share of tests on which each item was recorded.
- Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits 2.9%
- Coil spring: fractured or broken 1.9%
- Rigid brake pipes: excessively corroded 1.7%
- Position lamp: not working 1.3%
- Tread depth: tread depth below requirements of 1.6mm 1.3%
- Wipers: does not clear the windscreen effectively 1.2%
- Headlamp aim: projected beam image is obviously incorrect 1.0%
- Headlamp: not working on dipped beam 0.8%
Most common advisories
- Rigid brake pipes: corroded, covered in grease or other material 12.2%
- Tread depth: worn close to legal limit/worn on edge 10.2%
- Brake discs: worn, pitted or scored, but not seriously weakened 9.7%
- Tyres, condition: slightly damaged/cracking or perishing 6.8%
- Engine oil leaks: leak, but not excessive 4.5%
- Non-component advisories: Play in steering rack inner joint(s) 1.9%
- Exhaust system: has a minor leak of exhaust gases 1.9%
- Suspension arms, ball joint: ball joint has slight play 1.7%
Pass rate by year of registration
Older cars fail more often whatever the model, so compare a car with others of the same age.
| First registered | Tests | Pass rate |
|---|---|---|
| 1997 | 415 | 71% |
| 1998 | 817 | 70% |
| 1999 | 1,089 | 72% |
| 2000 | 1,979 | 74% |
| 2001 | 2,172 | 74% |
| 2002 | 2,251 | 72% |
| 2003 | 2,545 | 73% |
| 2004 | 2,146 | 74% |
| 2005 | 3,336 | 80% |
| 2006 | 1,921 | 82% |
| 2007 | 1,645 | 83% |
| 2008 | 1,088 | 87% |
| 2009 | 841 | 90% |
| 2010 | 808 | 91% |
| 2011 | 777 | 90% |
| 2012 | 1,105 | 89% |
| 2013 | 1,280 | 93% |
| 2014 | 1,204 | 92% |
| 2015 | 1,074 | 94% |
| 2016 | 1,232 | 93% |
| 2017 | 1,012 | 94% |
| 2018 | 1,034 | 94% |
| 2019 | 930 | 94% |
| 2020 | 438 | 93% |
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 3 years | 13,950 miles |
| 4 years | 16,844 miles |
| 5 years | 21,766 miles |
| 6 years | 26,453 miles |
| 7 years | 28,230 miles |
| 8 years | 31,947 miles |
| 9 years | 38,320 miles |
| 10 years | 42,034 miles |
| 11 years | 45,188 miles |
| 12 years | 48,692 miles |
| 13 years | 54,209 miles |
| 14 years | 58,847 miles |
| 15 years | 62,504 miles |
| 16 years | 66,383 miles |
| 17 years | 72,600 miles |
| 18 years | 74,629 miles |
| 19 years | 77,322 miles |
| 20 years | 80,327 miles |
Check a particular Boxster
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other Porsche models
- Porsche 911
- Porsche Cayenne
- Porsche Macan
- Porsche Cayman
- Porsche Panamera
- Porsche 944
- Porsche Taycan 4S 93KWH
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.