Mg B gt sport vs Mg Zs: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg B gt sport
76%
MOT pass rate · 5 vehicles
Mg Zs
74%
MOT pass rate · 38,862 vehicles
Verdict: On MOT pass rate the Mg B gt sport (76%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg B gt sport | Mg Zs |
|---|---|---|
| MOT pass rate | 76% ✓ | 74% |
| MOT failure rate | 24% ✓ | 26% |
| Faults & advisories per test | 1.7 ✓ | 1.8 |
| Dangerous-fault share | 4% | 1% ✓ |
| Average mileage | 75,989 mi | 71,653 mi |
| Sample size (vehicles) | 5 | 38,862 |
Most common faults
Mg B gt sport
- Nearside Rear Suspension spring mounting prescribed area is corroded but not considered excessive (2.4.A.3)
- Offside Front Front wheel bearing has slight play (2.5.A.3c)
- Exhaust emissions hydrocarbon content excessive (7.3.B.1b)
- Nearside Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
- Nearside Front Front wheel bearing has slight play (2.5.A.3c)
- Offside Headlamp aim too low (1.8)
Mg Zs
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Parking brake: efficiency below requirements (3.7.B.7)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Mg B gt sport (76%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg B gt sport report Full Mg Zs 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.