Mg Metro vs Mg Mk1 roadster: 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 Mk1 roadster
67%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mg Metro (70%) and Mg Mk1 roadster (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mg Metro | Mg Mk1 roadster |
|---|---|---|
| MOT pass rate | 70% ✓ | 67% |
| MOT failure rate | 30% ✓ | 33% |
| Faults & advisories per test | 1.9 ✓ | 3.7 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 69,393 mi | 168 mi |
| Sample size (vehicles) | 99,203 | 1 |
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 Mk1 roadster
- Braking system leaking front to rear pipe (3.6.A.1)
- Driver's door cannot be opened from inside the vehicle (6.2.B.1b)
- Driver's seat insecure (6.2.A.1)
- Front Lower Suspension arm locating pin locking device missing both arms - split pins missing. (2.4.G.3b)
- Front passenger door cannot be opened from inside the vehicle (6.2.B.1b)
- Headlamp not working on dipped beam both (1.7.5a)
Reliability FAQ
On MOT pass rate the Mg Metro (70%) and Mg Mk1 roadster (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mg Metro report Full Mg Mk1 roadster 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.