Mg B gt vs Mg B v8: 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 v8
79%
MOT pass rate · 18 vehicles
Verdict: On MOT pass rate the Mg B gt (75%) and Mg B v8 (79%) 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 v8 |
|---|---|---|
| MOT pass rate | 75% | 79% ✓ |
| MOT failure rate | 25% | 21% ✓ |
| Faults & advisories per test | 1.7 | 1.3 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 56,621 mi | 42,070 mi |
| Sample size (vehicles) | 47,800 | 18 |
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 v8
- Oil leak
- Offside Front wheel bearing has slight play (2.5.A.3c)
- Horn not working (1.6.2a)
- Parking brake: efficiency below requirements (3.7.B.7)
- Exhaust has a minor leak of exhaust gases (7.1.2)
- Nearside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3)
Reliability FAQ
On MOT pass rate the Mg B gt (75%) and Mg B v8 (79%) 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 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.