Mg B gt vs Mg Zs limited edition auto: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg B gt
75%
MOT pass rate · 47,800 vehicles
Mg Zs limited edition auto
85%
MOT pass rate · 152 vehicles
More reliable
Verdict: On MOT pass rate, the Mg Zs limited edition auto is the more reliable of the two — 85% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Mg B gt | Mg Zs limited edition auto |
|---|---|---|
| MOT pass rate | 75% | 85% ✓ |
| MOT failure rate | 25% | 15% ✓ |
| Faults & advisories per test | 1.7 | 1.4 ✓ |
| Dangerous-fault share | 0% ✓ | 4% |
| Average mileage | 56,621 mi | 37,395 mi |
| Sample size (vehicles) | 47,800 | 152 |
Most common faults
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)
Mg Zs limited edition auto
- 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 Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Nearside Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
Reliability FAQ
On MOT pass rate, the Mg Zs limited edition auto is the more reliable of the two — 85% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Mg B gt report Full Mg Zs limited edition auto 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.