Mg A coupe vs Mg B gt: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg A coupe
83%
MOT pass rate · 12 vehicles
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Verdict: On MOT pass rate the Mg A coupe (83%) 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 A coupe | Mg B gt |
|---|---|---|
| MOT pass rate | 83% ✓ | 75% |
| MOT failure rate | 17% ✓ | 25% |
| Faults & advisories per test | 0.8 ✓ | 1.7 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 38,948 mi | 56,621 mi |
| Sample size (vehicles) | 12 | 47,800 |
Most common faults
Mg A coupe
- Oil leak
- Nearside Front Road wheel spoke slightly loose (4.2.A.1b)
- Offside Front Upper Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
- Parking brake: efficiency below requirements (3.7.B.7)
- Horn not working (1.6.2a)
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 A coupe (83%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg A coupe 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.