Mg B converible vs Mg Mgf: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg B converible
70%
MOT pass rate · 1 vehicles
Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Verdict: On MOT pass rate the Mg B converible (70%) and Mg Mgf (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg B converible | Mg Mgf |
|---|---|---|
| MOT pass rate | 70% ✓ | 67% |
| MOT failure rate | 30% ✓ | 33% |
| Faults & advisories per test | 2.6 | 2.5 ✓ |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 68,129 mi | 85,206 mi |
| Sample size (vehicles) | 1 | 41,973 |
Most common faults
Mg B converible
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Nearside Front Track rod end ball joint has slight play (2.2.B.1f)
- Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- Nearside Front Suspension arm has slight play in a pin/bush (2.4.G.2)
- Non obligatory mirror damaged
- Offside Front Brake pad(s) wearing thin (3.5.1g)
Mg Mgf
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
- 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)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
Reliability FAQ
On MOT pass rate the Mg B converible (70%) and Mg Mgf (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg B converible report Full Mg Mgf 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.