Mg Zs vs Mg Zt-t cdti+ 135 auto: 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 Zt-t cdti+ 135 auto
75%
MOT pass rate · 5 vehicles
Verdict: On MOT pass rate the Mg Zs (74%) and Mg Zt-t cdti+ 135 auto (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg Zs | Mg Zt-t cdti+ 135 auto |
|---|---|---|
| MOT pass rate | 74% | 75% ✓ |
| MOT failure rate | 26% | 25% ✓ |
| Faults & advisories per test | 1.8 | 1.8 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 71,653 mi | 105,350 mi |
| Sample size (vehicles) | 38,862 | 5 |
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 Zt-t cdti+ 135 auto
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Nearside Headlamp aim too low (1.8)
- Nearside Registration plate lamp not working (1.1.5c)
- Offside Front Tyre has a tear, caused by separation or partial failure of its structure (4.1.D.1b)
- Offside Headlamp aim too low (1.8)
- Offside Registration plate lamp not working (1.1.5c)
Reliability FAQ
On MOT pass rate the Mg Zs (74%) and Mg Zt-t cdti+ 135 auto (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg Zs report Full Mg Zt-t cdti+ 135 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.