Mg 320cdi vs Mg B gt: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg 320cdi
100%
MOT pass rate · 1 vehicles
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Verdict: On MOT pass rate the Mg 320cdi (100%) 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 320cdi | Mg B gt |
|---|---|---|
| MOT pass rate | 100% ✓ | 75% |
| MOT failure rate | 0% ✓ | 25% |
| Faults & advisories per test | 5.0 | 1.7 ✓ |
| Dangerous-fault share | 0% | 0% |
| Average mileage | 171,224 mi | 56,621 mi |
| Sample size (vehicles) | 1 | 47,800 |
Most common faults
Mg 320cdi
- Rear Brake pipe slightly corroded all (3.6.B.2c)
- Tyre worn close to the legal limit all 4 (4.1.E.1)
- front both sides uppers/lowers ball joint play
- jack points corroded
- rear trailing arm bush wear both sides
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 320cdi (100%) and Mg B gt (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg 320cdi 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.