Porsche 911 reliability
MOT pass rates & common faults · 114,669 real DVSA tests · 2024
Across 114,669 real DVSA MOT tests in 2024, 87% of Porsche 911 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 suspension and steering.
MOT pass rate by age
Where the 911 tends to fail
Share of Porsche 911 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 suspension, steering, seat belts.
Common questions
Is the Porsche 911 reliable?
On 2024 MOT data the Porsche 911 holds up well for its age: 87% of examples aged 13 years and older pass first time, against a 61% fleet average. That puts it ahead of 94% of similar-age models.
What is the MOT pass rate for a Porsche 911?
First-time MOT pass rates for the Porsche 911 in 2024: 4 to 7 years, 96%; 8 to 12 years, 96%; and 13 years and older, 87%. 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 911 MOT?
No single area stands out as a recurring weakness for the Porsche 911 versus other cars of the same age — its MOT failures are spread across the usual wear items (tyres, brakes, lamps).