Mg B convertable vs Mg B gt: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg B convertable
75%
MOT pass rate · 3 vehicles
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Verdict: On MOT pass rate the Mg B convertable (75%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg B convertable | Mg B gt |
|---|---|---|
| MOT pass rate | 75% | 75% |
| MOT failure rate | 25% | 25% |
| Faults & advisories per test | 1.4 ✓ | 1.7 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 65,270 mi | 56,621 mi |
| Sample size (vehicles) | 3 | 47,800 |
Most common faults
Mg B convertable
- Steering system has slight free play detected at steering wheel (2.2.A.1b)
- Nearside Headlamp not working on dipped beam (1.7.5a)
- Service brake: efficiency below requirements (3.7.B.7)
- o/s floor pan to sill front to center corroded
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Leaf spring has a slightly deteriorated shackle pin rubber bush not resulting in excessive movement (2.4.B.2)
Mg B gt
- Oil leak
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Horn not working (1.6.2a)
- Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
Reliability FAQ
On MOT pass rate the Mg B convertable (75%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg B convertable report Full Mg B gt 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.