RegVerdict Model Intelligence
Porsche 928 S reliability
MOT pass rates & common faults·1,359 DVSA tests·2024
Across 1,359 real DVSA MOT tests in 2024, 79% of Porsche 928 S 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 tyres and suspension.
79%
Strong for its agepass first time (13 years and older)
Strong for its age · beats 83% of peers
+17.8 pts
MOT pass rate by age
13 years and older
1,359 tests · fleet 61%
79%
Where the 928 S fails
Suspension99
Brakes98
Body & structure99
Steering99
Tyres100
Lights & electrics95
Holds up better on tyres, suspension, brakes.
Share of 13 years and older Porsche 928 S MOTs with no fault in each area; the marker shows the fleet average. OGL v3.0.
Common questions
Is the Porsche 928 S reliable?
On 2024 MOT data the Porsche 928 S holds up well for its age: 79% of examples aged 13 years and older pass first time, against a 61% fleet average. That puts it ahead of 83% of similar-age models.
What is the MOT pass rate for a Porsche 928 S?
First-time MOT pass rates for the Porsche 928 S in 2024: 13 years and older, 79%. 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 928 S MOT?
No single area stands out as a recurring weakness for the Porsche 928 S versus other cars of the same age. Its MOT failures are spread across the usual wear items (tyres, brakes, lamps).
Other Porsche models
Check a Porsche 928 S’s full history