Ford Corsair vs Ford Fiesta: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Ford Corsair
81%
MOT pass rate · 7,894 vehicles
More reliable
Ford Fiesta
73%
MOT pass rate · 2,835,744 vehicles
Verdict: On MOT pass rate, the Ford Corsair is the more reliable of the two — 81% pass first time versus 73%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Ford Corsair | Ford Fiesta |
|---|---|---|
| MOT pass rate | 81% ✓ | 73% |
| MOT failure rate | 19% ✓ | 27% |
| Faults & advisories per test | 1.4 ✓ | 2.1 |
| Dangerous-fault share | 0% ✓ | 2% |
| Average mileage | 70,228 mi | 84,529 mi |
| Sample size (vehicles) | 7,894 | 2,835,744 |
Most common faults
Ford Corsair
- Oil leak
- Parking brake: efficiency below requirements (3.7.B.7)
- Steering system has slight free play detected at steering wheel (2.2.A.1a)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Exhaust has a minor leak of exhaust gases (7.1.2)
- Horn not working (1.6.2a)
Ford Fiesta
- 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)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Brake pipe slightly corroded (3.6.B.2c)
Reliability FAQ
On MOT pass rate, the Ford Corsair is the more reliable of the two — 81% pass first time versus 73%. It's one signal among several; check the full breakdown below.
Full Ford Corsair report Full Ford Fiesta 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.