Mg B gt vs Mg Mk2: 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 Mk2
82%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Mg B gt (75%) and Mg Mk2 (82%) 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 Mk2 |
|---|---|---|
| MOT pass rate | 75% | 82% ✓ |
| MOT failure rate | 25% | 18% ✓ |
| Faults & advisories per test | 1.7 | 1.2 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 56,621 mi | 20,694 mi |
| Sample size (vehicles) | 47,800 | 4 |
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 Mk2
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Nearside Front Wheel bearing has slight play (5.1.3 (a) (i))
- Offside Front Service brake binding but not excessively (1.2.1 (f))
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- rear valance corroded
- Rear Tyre worn close to legal limit/worn on edge both (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Mg B gt (75%) and Mg Mk2 (82%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg B gt report Full Mg Mk2 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.