MG Zs vs MG Tf: MOT reliability compared
Updated 05 September 2026.
22.7%
MG Zs MOT failure rate, 4.4 pts lower than MG Tf
MG Zs is the more reliable MOT performer: 22.7% of MG Zs MOTs fail versus 27.1% for MG Tf, a 4.4 point gap.
| Metric | MG Zs | MG Tf |
|---|---|---|
| MOT failure rate | 22.7% | 27.1% |
| Tests analysed | 506,307 | 481,442 |
| Most common failure | Brakes (33.3%) | Brakes (36.2%) |
Questions and answers
Which is more reliable, MG Zs or MG Tf?
MG Zs is the more reliable MOT performer: 22.7% of MG Zs MOTs fail versus 27.1% for MG Tf, a 4.4 point gap.
What is the MOT failure rate of the MG Zs?
22.7% of MG Zs MOT tests result in a failure, from 506,307 tests.
What is the MOT failure rate of the MG Tf?
27.1% of MG Tf MOT tests result in a failure, from 481,442 tests.