Porsche Cayman MOT reliability

Porsche Caymans passed their MOT first time 89% of the time across 14,708 tests in 2025. 9,062 are still licensed in Great Britain.

First-time pass rate

89%

MOTs analysed

14,708

Still licensed (GB)

9,062

Body type

Coupe

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

440 MOTs

Passed first time 94%. Typical mileage 19,528 (most between 12,502 and 27,735).

2021: 100% → 2022: 93% → 2023: 96% → 2024: 95% → 2025: 94%

Most common failures

Tread depth below requirements of 1.6mm (1.8%)
Headlamp aim: too high (1.1%)
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (0.7%)
Washers: jets misaligned and not providing sufficient fluid to the windscreen (0.5%)
Condition: has ply or cords exposed (0.5%)

Where 2020 Caymans fail

Wheels & tyres

3.4%

Lights & electrics

1.4%

Visibility & wipers

0.7%

Brakes

0.5%

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.