Porsche Cayman reliability
MOT pass rates & common faults · 33,440 real DVSA tests · 2024
Across 33,440 real DVSA MOT tests in 2024, 85% of Porsche Cayman cars aged 13 years and older pass their MOT first time — ahead of the 61% average for all cars of that age. It holds up especially well on body & structure and seat belts.
MOT pass rate by age
Where the Cayman tends to fail
Share of Porsche Cayman cars aged 13 years and older with no fault in each area (higher is better). The tick is the fleet average for the same age.
Holds up better than average on body & structure, seat belts, visibility.
Common questions
Is the Porsche Cayman reliable?
On 2024 MOT data the Porsche Cayman holds up well for its age: 85% of examples aged 13 years and older pass first time, against a 61% fleet average. That puts it ahead of 93% of similar-age models.
What is the MOT pass rate for a Porsche Cayman?
First-time MOT pass rates for the Porsche Cayman in 2024: up to 3 years, 97%; 4 to 7 years, 95%; 8 to 12 years, 94%; and 13 years and older, 85%. Pass rates fall with age across the whole fleet, so compare each figure with cars of the same age, not with a new car.
What commonly fails on a Porsche Cayman MOT?
No single area stands out as a recurring weakness for the Porsche Cayman versus other cars of the same age — its MOT failures are spread across the usual wear items (tyres, brakes, lamps).