Mg 5 se vs Mg B gt: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg 5 se
86%
MOT pass rate · 585 vehicles
More reliable
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Verdict: On MOT pass rate, the Mg 5 se is the more reliable of the two — 86% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Mg 5 se | Mg B gt |
|---|---|---|
| MOT pass rate | 86% ✓ | 75% |
| MOT failure rate | 14% ✓ | 25% |
| Faults & advisories per test | 0.6 ✓ | 1.7 |
| Dangerous-fault share | 7% | 0% ✓ |
| Average mileage | 44,789 mi | 56,621 mi |
| Sample size (vehicles) | 585 | 47,800 |
Most common faults
Mg 5 se
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Shock absorbers has light misting of oil (5.3.2 (b))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Offside Rear Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e))
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 5 se is the more reliable of the two — 86% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Mg 5 se 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.