Mg 1800 vs Mg B gt: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg 1800
75%
MOT pass rate · 1 vehicles
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Verdict: On MOT pass rate the Mg 1800 (75%) 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 1800 | Mg B gt |
|---|---|---|
| MOT pass rate | 75% | 75% |
| MOT failure rate | 25% | 25% |
| Faults & advisories per test | 0.8 ✓ | 1.7 |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 62,387 mi | 56,621 mi |
| Sample size (vehicles) | 1 | 47,800 |
Most common faults
Mg 1800
- Offside Stop lamp adversely affected by the operation of another lamp (1.2.1f)
- All position lamps not in good working order (function impaired) (1.1.A.2a)
- Nearside Headlamp aim too low (1.8)
- Nearside Rear Rear position lamp(s) adversely affected by the operation of another lamp (1.1.A.3f)
- Track rod end ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt (2.2.C.1c)
- Brakes imbalanced across an axle (3.7.B.5b)
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 1800 (75%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg 1800 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.