Mg Metro vs Mg Zt-t+ 120: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mg Metro
70%
MOT pass rate · 99,203 vehicles
Mg Zt-t+ 120
78%
MOT pass rate · 6 vehicles
Verdict: On MOT pass rate the Mg Metro (70%) and Mg Zt-t+ 120 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg Metro | Mg Zt-t+ 120 |
|---|---|---|
| MOT pass rate | 70% | 78% ✓ |
| MOT failure rate | 30% | 22% ✓ |
| Faults & advisories per test | 1.9 | 0.4 ✓ |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 69,393 mi | 93,390 mi |
| Sample size (vehicles) | 99,203 | 6 |
Most common faults
Mg Metro
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Exhaust emissions hydrocarbon content excessive (7.3.B.1b)
- Nearside Front Subframe mounting prescribed area is excessively corroded (2.4.A.3)
- Parking brake: efficiency below requirements (3.7.B.7)
- Oil leak
- Service brake: efficiency below requirements (3.7.B.7)
Mg Zt-t+ 120
- Exhaust has part of the system slightly deteriorated (7.1.1a)
- Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Headlamp not working on dipped beam (1.7.5a)
Reliability FAQ
On MOT pass rate the Mg Metro (70%) and Mg Zt-t+ 120 (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg Metro report Full Mg Zt-t+ 120 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.