Ford Boss 302 vs Ford Mondeo: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Ford Boss 302
75%
MOT pass rate · 2 vehicles
Ford Mondeo
70%
MOT pass rate · 1,212,823 vehicles
Verdict: On MOT pass rate the Ford Boss 302 (75%) and Ford Mondeo (70%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Ford Boss 302 | Ford Mondeo |
|---|---|---|
| MOT pass rate | 75% ✓ | 70% |
| MOT failure rate | 25% ✓ | 30% |
| Faults & advisories per test | 1.3 ✓ | 2.2 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 56,686 mi | 130,467 mi |
| Sample size (vehicles) | 2 | 1,212,823 |
Most common faults
Ford Boss 302
- Nearside rear parking brake recording little or no effort (3.7.B.6a)
- Offside rear parking brake recording little or no effort (3.7.B.6a)
- Nearside Track rod end loose (2.2.B.1d)
- Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii))
- Nearside Headlamp not working on main beam (4.1.1 (a) (ii))
- Steering box has slight free play detected at steering wheel (2.3 (a) (i))
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)
Reliability FAQ
On MOT pass rate the Ford Boss 302 (75%) and Ford Mondeo (70%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Ford Boss 302 report Full Ford Mondeo 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.