Mg B gt vs Mg B gtv8: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Mg B gtv8
100%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mg B gt (75%) and Mg B gtv8 (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg B gt | Mg B gtv8 |
|---|---|---|
| MOT pass rate | 75% | 100% ✓ |
| MOT failure rate | 25% | 0% ✓ |
| Faults & advisories per test | 1.7 ✓ | 3.0 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 56,621 mi | 8,558 mi |
| Sample size (vehicles) | 47,800 | 1 |
Most common faults
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)
Mg B gtv8
- heavily undersealed
- Rear both leaf springs starting to sag
- slight play in the inner rack joint
- Play in steering rack inner joint(s)
- Rear leaf springs starting to sag
Reliability FAQ
On MOT pass rate the Mg B gt (75%) and Mg B gtv8 (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg B gt report Full Mg B gtv8 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.