Morgan 4/4 vs Morgan Aero: MOT reliability compared
Updated 05 September 2026.
14.5%
Morgan Aero MOT failure rate, 0.9 pts lower than Morgan 4/4
Morgan Aero is the more reliable MOT performer: 14.5% of Morgan Aero MOTs fail versus 15.4% for Morgan 4/4, a 0.9 point gap.
| Metric | Morgan 4/4 | Morgan Aero |
|---|---|---|
| MOT failure rate | 15.4% | 14.5% |
| Tests analysed | 55,581 | 5,258 |
| Most common failure | Brakes (31.7%) | Lamps & electrical (29.5%) |
Questions and answers
Which is more reliable, Morgan 4/4 or Morgan Aero?
Morgan Aero is the more reliable MOT performer: 14.5% of Morgan Aero MOTs fail versus 15.4% for Morgan 4/4, a 0.9 point gap.
What is the MOT failure rate of the Morgan 4/4?
15.4% of Morgan 4/4 MOT tests result in a failure, from 55,581 tests.
What is the MOT failure rate of the Morgan Aero?
14.5% of Morgan Aero MOT tests result in a failure, from 5,258 tests.