Porsche 911 t-e coupe vs Porsche Cayenne: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 911 t-e coupe
100%
MOT pass rate · 1 vehicles
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Verdict: On MOT pass rate the Porsche 911 t-e coupe (100%) 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 911 t-e coupe | Porsche Cayenne |
|---|---|---|
| MOT pass rate | 100% ✓ | 84% |
| MOT failure rate | 0% ✓ | 16% |
| Faults & advisories per test | 0.0 ✓ | 1.2 |
| Dangerous-fault share | — ✓ | 3% |
| Average mileage | 19,363 mi | 87,610 mi |
| Sample size (vehicles) | 1 | 40,483 |
Most common faults
Porsche 911 t-e coupe
No fault breakdown available.
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 911 t-e coupe (100%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 911 t-e 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.