MG Mgf vs MG Zt: MOT reliability compared
Updated 05 September 2026.
28.9%
MG Zt MOT failure rate, 4.4 pts lower than MG Mgf
MG Zt is the more reliable MOT performer: 28.9% of MG Zt MOTs fail versus 33.3% for MG Mgf, a 4.4 point gap.
| Metric | MG Mgf | MG Zt |
|---|---|---|
| MOT failure rate | 33.3% | 28.9% |
| Tests analysed | 555,525 | 193,997 |
| Most common failure | Brakes (41.5%) | Lamps & electrical (38.7%) |
Questions and answers
Which is more reliable, MG Mgf or MG Zt?
MG Zt is the more reliable MOT performer: 28.9% of MG Zt MOTs fail versus 33.3% for MG Mgf, a 4.4 point gap.
What is the MOT failure rate of the MG Mgf?
33.3% of MG Mgf MOT tests result in a failure, from 555,525 tests.
What is the MOT failure rate of the MG Zt?
28.9% of MG Zt MOT tests result in a failure, from 193,997 tests.