Mg B 1.8 vs Mg B gt: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg B 1.8
79%
MOT pass rate · 3 vehicles
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Verdict: On MOT pass rate the Mg B 1.8 (79%) 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 B 1.8 | Mg B gt |
|---|---|---|
| MOT pass rate | 79% ✓ | 75% |
| MOT failure rate | 21% ✓ | 25% |
| Faults & advisories per test | 1.2 ✓ | 1.7 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 40,425 mi | 56,621 mi |
| Sample size (vehicles) | 3 | 47,800 |
Most common faults
Mg B 1.8
- Nearside Front Shock absorber has a light misting of oil (2.7.3)
- Offside Front Shock absorber has a light misting of oil (2.7.3)
- Oil leak
- engine oil leaks
- Nearside Front Shock absorber has a slightly reduced damping effect (2.7.5)
- Nearside Front Upper Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
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 B 1.8 (79%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg B 1.8 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.