Porsche 911 vs Porsche 911 carrera 2 tiptronics: 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 911 carrera 2 tiptronics
80%
MOT pass rate · 43 vehicles
Verdict: On MOT pass rate the Porsche 911 (85%) and Porsche 911 carrera 2 tiptronics (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Porsche 911 | Porsche 911 carrera 2 tiptronics |
|---|---|---|
| MOT pass rate | 85% ✓ | 80% |
| MOT failure rate | 15% ✓ | 20% |
| Faults & advisories per test | 1.1 | 0.7 ✓ |
| Dangerous-fault share | 1% ✓ | 4% |
| Average mileage | 70,982 mi | 66,646 mi |
| Sample size (vehicles) | 74,656 | 43 |
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 911 carrera 2 tiptronics
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)
- Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- 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)
- Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Nearside Front position lamp(s) not working (1.1.A.3b)
Reliability FAQ
On MOT pass rate the Porsche 911 (85%) and Porsche 911 carrera 2 tiptronics (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 911 report Full Porsche 911 carrera 2 tiptronics 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.