Mg Mgf vs Mg Mgr v8: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg Mgf
67%
MOT pass rate · 41,973 vehicles
Mg Mgr v8
92%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Mg Mgf (67%) and Mg Mgr v8 (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg Mgf | Mg Mgr v8 |
|---|---|---|
| MOT pass rate | 67% | 92% ✓ |
| MOT failure rate | 33% | 8% ✓ |
| Faults & advisories per test | 2.5 | 0.4 ✓ |
| Dangerous-fault share | 1% ✓ | 20% |
| Average mileage | 85,206 mi | 24,556 mi |
| Sample size (vehicles) | 41,973 | 2 |
Most common faults
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)
Mg Mgr v8
- Offside Rear Service brake effort inadequate at a wheel (1.2.1 (a) (i))
- Offside Rear Service brake excessively binding (1.2.1 (f))
- Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))
- Nearside Rear Service brake has no recorded effort at a wheel (1.2.1 (a) (ii))
- Central Front Oil leak, but not excessive From Gearbox (8.4.1 (a) (i))
Reliability FAQ
On MOT pass rate the Mg Mgf (67%) and Mg Mgr v8 (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg Mgf report Full Mg Mgr v8 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.