Porsche 718 boxster s vs Porsche Cayenne: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 718 boxster s
83%
MOT pass rate · 14 vehicles
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Verdict: On MOT pass rate the Porsche 718 boxster s (83%) 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 718 boxster s | Porsche Cayenne |
|---|---|---|
| MOT pass rate | 83% | 84% ✓ |
| MOT failure rate | 17% | 16% ✓ |
| Faults & advisories per test | 0.0 ✓ | 1.2 |
| Dangerous-fault share | — ✓ | 3% |
| Average mileage | 53,164 mi | 87,610 mi |
| Sample size (vehicles) | 14 | 40,483 |
Most common faults
Porsche 718 boxster s
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 718 boxster s (83%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 718 boxster s 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.