Ford Cmax vs Ford Fiesta: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Ford Cmax
80%
MOT pass rate · 46 vehicles
More reliable
Ford Fiesta
73%
MOT pass rate · 2,835,744 vehicles
Verdict: On MOT pass rate, the Ford Cmax is the more reliable of the two — 80% pass first time versus 73%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Ford Cmax | Ford Fiesta |
|---|---|---|
| MOT pass rate | 80% ✓ | 73% |
| MOT failure rate | 20% ✓ | 27% |
| Faults & advisories per test | 1.6 ✓ | 2.1 |
| Dangerous-fault share | 3% | 2% ✓ |
| Average mileage | 112,399 mi | 84,529 mi |
| Sample size (vehicles) | 46 | 2,835,744 |
Most common faults
Ford Cmax
- 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 Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- 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)
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
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 Cmax is the more reliable of the two — 80% pass first time versus 73%. It's one signal among several; check the full breakdown below.
Full Ford Cmax 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.