Porsche Boxster MOT reliability

Porsche Boxsters passed their MOT first time 83% of the time across 32,333 tests in 2025. 24,128 are still licensed in Great Britain.

First-time pass rate

83%

MOTs analysed

32,333

Still licensed (GB)

24,128

Body type

Roadster

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2020 petrol

459 MOTs

Passed first time 93%. Typical mileage 20,266 (most between 13,193 and 28,361).

2021: 82% → 2022: 100% → 2023: 93% → 2024: 95% → 2025: 93%

Most common failures

Washers: not working (0.9%)
Tread depth below requirements of 1.6mm (0.7%)
Headlamp aim: too high (0.7%)
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (0.7%)
Condition: has a lump, caused by separation or partial failure of its structure (0.7%)

Where 2020 Boxsters fail

Wheels & tyres

2.8%

Lights & electrics

2.2%

Visibility & wipers

1.5%

Brakes

0.7%

Exhaust, emissions & leaks

0.2%

Suspension & axles

0.2%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.