MG Zt vs MG 3: MOT reliability compared
Updated 05 September 2026.
18.6%
MG 3 MOT failure rate, 10.3 pts lower than MG Zt
MG 3 is the more reliable MOT performer: 18.6% of MG 3 MOTs fail versus 28.9% for MG Zt, a 10.3 point gap.
| Metric | MG Zt | MG 3 |
|---|---|---|
| MOT failure rate | 28.9% | 18.6% |
| Tests analysed | 193,997 | 170,040 |
| Most common failure | Lamps & electrical (38.7%) | Tyres (27.2%) |
Questions and answers
Which is more reliable, MG Zt or MG 3?
MG 3 is the more reliable MOT performer: 18.6% of MG 3 MOTs fail versus 28.9% for MG Zt, a 10.3 point gap.
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.
What is the MOT failure rate of the MG 3?
18.6% of MG 3 MOT tests result in a failure, from 170,040 tests.