Porsche 912 karmann coupe vs Porsche Cayenne: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 912 karmann coupe
81%
MOT pass rate · 3 vehicles
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Verdict: On MOT pass rate the Porsche 912 karmann coupe (81%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Porsche 912 karmann coupe | Porsche Cayenne |
|---|---|---|
| MOT pass rate | 81% | 84% ✓ |
| MOT failure rate | 19% | 16% ✓ |
| Faults & advisories per test | 1.2 | 1.2 |
| Dangerous-fault share | 5% | 3% ✓ |
| Average mileage | 82,411 mi | 87,610 mi |
| Sample size (vehicles) | 3 | 40,483 |
Most common faults
Porsche 912 karmann coupe
- Oil leak
- Nearside Rear Position lamp not working (4.2.1 (a))
- Offside Rear Position lamp not working (4.2.1 (a))
- Nearside Rear Wheel bearing has slight play (5.1.3 (a) (i))
- Offside Front Lower anti roll bar bracket nut split pin missing from nut
- advise corrosion at nearside front lower arch area
Porsche Cayenne
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Porsche 912 karmann coupe (81%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 912 karmann coupe report Full Porsche Cayenne report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.