MG Tf vs MG 3: MOT reliability compared
Updated 05 September 2026.
18.6%
MG 3 MOT failure rate, 8.5 pts lower than MG Tf
MG 3 is the more reliable MOT performer: 18.6% of MG 3 MOTs fail versus 27.1% for MG Tf, a 8.5 point gap.
| Metric | MG Tf | MG 3 |
|---|---|---|
| MOT failure rate | 27.1% | 18.6% |
| Tests analysed | 481,442 | 170,040 |
| Most common failure | Brakes (36.2%) | Tyres (27.2%) |
Questions and answers
Which is more reliable, MG Tf or MG 3?
MG 3 is the more reliable MOT performer: 18.6% of MG 3 MOTs fail versus 27.1% for MG Tf, a 8.5 point gap.
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.
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.