Mg Zs vs Mg Zs+ stepspee: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg Zs
74%
MOT pass rate · 38,862 vehicles
Mg Zs+ stepspee
100%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mg Zs (74%) and Mg Zs+ stepspee (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg Zs | Mg Zs+ stepspee |
|---|---|---|
| MOT pass rate | 74% | 100% ✓ |
| MOT failure rate | 26% | 0% ✓ |
| Faults & advisories per test | 1.8 | 0.0 ✓ |
| Dangerous-fault share | 1% | — ✓ |
| Average mileage | 71,653 mi | 55,503 mi |
| Sample size (vehicles) | 38,862 | 1 |
Most common faults
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))
Mg Zs+ stepspee
No fault breakdown available.
Reliability FAQ
On MOT pass rate the Mg Zs (74%) and Mg Zs+ stepspee (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg Zs report Full Mg Zs+ stepspee 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.