Porsche Cayenne vs Porsche Turbo: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Porsche Turbo
84%
MOT pass rate · 25 vehicles
Verdict: On MOT pass rate the Porsche Cayenne (84%) and Porsche Turbo (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Porsche Cayenne | Porsche Turbo |
|---|---|---|
| MOT pass rate | 84% | 84% |
| MOT failure rate | 16% | 16% |
| Faults & advisories per test | 1.2 | 1.1 ✓ |
| Dangerous-fault share | 3% | 1% ✓ |
| Average mileage | 87,610 mi | 64,344 mi |
| Sample size (vehicles) | 40,483 | 25 |
Most common faults
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))
Porsche Turbo
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Oil leak, but not excessive (8.4.1 (a) (i))
- Under-trays fitted obscuring some underside components
Reliability FAQ
On MOT pass rate the Porsche Cayenne (84%) and Porsche Turbo (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche Cayenne report Full Porsche Turbo 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.