Mg B gt vs Mg Mg-6: 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 Mg-6
75%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mg B gt (75%) and Mg Mg-6 (75%) 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 Mg-6 |
|---|---|---|
| MOT pass rate | 75% | 75% |
| MOT failure rate | 25% | 25% |
| Faults & advisories per test | 1.7 ✓ | 3.2 |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 56,621 mi | 83,107 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 Mg-6
- Central Brake pipe corroded, covered in grease or other material (1.1.11 (c))
- Front Brake pipe corroded, covered in grease or other material BOTH SIDES (1.1.11 (c))
- Front Inner Brake disc worn, but not excessively (1.1.14 (a) (i))
- Offside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Brake pipe corroded, covered in grease or other material BOTH SIDES (1.1.11 (c))
- Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h))
Reliability FAQ
On MOT pass rate the Mg B gt (75%) and Mg Mg-6 (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg B gt report Full Mg Mg-6 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.