MG Mgf vs MG 3: MOT reliability compared
Updated 05 September 2026.
18.6%
MG 3 MOT failure rate, 14.7 pts lower than MG Mgf
MG 3 is the more reliable MOT performer: 18.6% of MG 3 MOTs fail versus 33.3% for MG Mgf, a 14.7 point gap.
| Metric | MG Mgf | MG 3 |
|---|---|---|
| MOT failure rate | 33.3% | 18.6% |
| Tests analysed | 555,525 | 170,040 |
| Most common failure | Brakes (41.5%) | Tyres (27.2%) |
Questions and answers
Which is more reliable, MG Mgf or MG 3?
MG 3 is the more reliable MOT performer: 18.6% of MG 3 MOTs fail versus 33.3% for MG Mgf, a 14.7 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 3?
18.6% of MG 3 MOT tests result in a failure, from 170,040 tests.