MG Zr vs MG Zt: MOT reliability compared
Updated 05 September 2026.
28.9%
MG Zt MOT failure rate, 1.3 pts lower than MG Zr
MG Zt is the more reliable MOT performer: 28.9% of MG Zt MOTs fail versus 30.2% for MG Zr, a 1.3 point gap.
| Metric | MG Zr | MG Zt |
|---|---|---|
| MOT failure rate | 30.2% | 28.9% |
| Tests analysed | 654,579 | 193,997 |
| Most common failure | Lamps & electrical (38.5%) | Lamps & electrical (38.7%) |
Questions and answers
Which is more reliable, MG Zr or MG Zt?
MG Zt is the more reliable MOT performer: 28.9% of MG Zt MOTs fail versus 30.2% for MG Zr, a 1.3 point gap.
What is the MOT failure rate of the MG Zr?
30.2% of MG Zr MOT tests result in a failure, from 654,579 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.