Mg Road star vs Mg Zs: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg Road star
50%
MOT pass rate · 1 vehicles
Mg Zs
74%
MOT pass rate · 38,862 vehicles
Verdict: On MOT pass rate the Mg Road star (50%) 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 Road star | Mg Zs |
|---|---|---|
| MOT pass rate | 50% | 74% ✓ |
| MOT failure rate | 50% | 26% ✓ |
| Faults & advisories per test | 2.5 | 1.8 ✓ |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 15,449 mi | 71,653 mi |
| Sample size (vehicles) | 1 | 38,862 |
Most common faults
Mg Road star
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Exhaust emissions hydrocarbon content excessive (7.3.B.1b)
- Nearside Front Headlamp not in good working order adversely affecting beam image (1.2.4a)
- Nearside Front Lower Front suspension has excessive movement at a wishbone pin or bush (2.5.A.1c)
- Offside Front Lower Front suspension has excessive movement at a wishbone pin or bush (2.5.A.1c)
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 Road star (50%) and Mg Zs (74%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg Road star 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.