Ford Fiesta vs Ford Mondeo graphite tdci: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Ford Fiesta
73%
MOT pass rate · 2,835,744 vehicles
Ford Mondeo graphite tdci
79%
MOT pass rate · 123 vehicles
More reliable
Verdict: On MOT pass rate, the Ford Mondeo graphite tdci is the more reliable of the two — 79% pass first time versus 73%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Ford Fiesta | Ford Mondeo graphite tdci |
|---|---|---|
| MOT pass rate | 73% | 79% ✓ |
| MOT failure rate | 27% | 21% ✓ |
| Faults & advisories per test | 2.1 | 0.0 ✓ |
| Dangerous-fault share | 2% | — ✓ |
| Average mileage | 84,529 mi | 162,013 mi |
| Sample size (vehicles) | 2,835,744 | 123 |
Most common faults
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)
Ford Mondeo graphite tdci
No fault breakdown available.
Reliability FAQ
On MOT pass rate, the Ford Mondeo graphite tdci is the more reliable of the two — 79% pass first time versus 73%. It's one signal among several; check the full breakdown below.
Full Ford Fiesta report Full Ford Mondeo graphite tdci 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.