Ford Mondeo vs Ford Mustang 55 edition: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Ford Mondeo
70%
MOT pass rate · 1,212,823 vehicles
Ford Mustang 55 edition
89%
MOT pass rate · 76 vehicles
More reliable
Verdict: On MOT pass rate, the Ford Mustang 55 edition is the more reliable of the two — 89% pass first time versus 70%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Ford Mondeo | Ford Mustang 55 edition |
|---|---|---|
| MOT pass rate | 70% | 89% ✓ |
| MOT failure rate | 30% | 11% ✓ |
| Faults & advisories per test | 2.2 | 0.6 ✓ |
| Dangerous-fault share | 1% ✓ | 10% |
| Average mileage | 130,467 mi | 23,657 mi |
| Sample size (vehicles) | 1,212,823 | 76 |
Most common faults
Ford Mondeo
- 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 the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Parking brake: efficiency below requirements (3.7.B.7)
- Front Brake pad(s) wearing thin (3.5.1g)
Ford Mustang 55 edition
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Front Tyre has ply or cords exposed (5.2.3 (d) (ii))
Reliability FAQ
On MOT pass rate, the Ford Mustang 55 edition is the more reliable of the two — 89% pass first time versus 70%. It's one signal among several; check the full breakdown below.
Full Ford Mondeo report Full Ford Mustang 55 edition 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.