Porsche 911 vs Porsche 968 coupe: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 911
85%
MOT pass rate · 74,656 vehicles
Porsche 968 coupe
75%
MOT pass rate · 58 vehicles
Verdict: On MOT pass rate the Porsche 911 (85%) and Porsche 968 coupe (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Porsche 911 | Porsche 968 coupe |
|---|---|---|
| MOT pass rate | 85% ✓ | 75% |
| MOT failure rate | 15% ✓ | 25% |
| Faults & advisories per test | 1.1 | 1.1 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 70,982 mi | 124,745 mi |
| Sample size (vehicles) | 74,656 | 58 |
Most common faults
Porsche 911
- 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)
- Under-trays fitted obscuring some underside components
- 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))
Porsche 968 coupe
- 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 wheel bearing has slight play (2.5.A.3c)
- Offside Front wheel bearing has slight play (2.5.A.3c)
- Offside Headlamp aim too high (1.8)
- Nearside Front Macpherson strut has slight play in the sliding bush or gland (2.5.B.1b)
Reliability FAQ
On MOT pass rate the Porsche 911 (85%) and Porsche 968 coupe (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 911 report Full Porsche 968 coupe 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.