Porsche 964 turbo s vs Porsche Boxster: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Porsche 964 turbo s
67%
MOT pass rate · 1 vehicles
Porsche Boxster
83%
MOT pass rate · 46,488 vehicles
Verdict: On MOT pass rate the Porsche 964 turbo s (67%) and Porsche Boxster (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Porsche 964 turbo s | Porsche Boxster |
|---|---|---|
| MOT pass rate | 67% | 83% ✓ |
| MOT failure rate | 33% | 17% ✓ |
| Faults & advisories per test | 0.8 ✓ | 1.4 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 1,998 mi | 74,547 mi |
| Sample size (vehicles) | 1 | 46,488 |
Most common faults
Porsche 964 turbo s
- no number plates fitted to vehicle
- Front Windscreen wiper does not clear the windscreen effectively (8.2.2)
- Offside Front Headlamp aim too far to the right (1.8)
- Offside Front Steering rack gaiter split (2.2.D.2d)
- Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))
Porsche Boxster
- 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)
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Porsche 964 turbo s (67%) and Porsche Boxster (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Porsche 964 turbo s report Full Porsche Boxster 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.