Morgan 4/4 vs Morgan Plus: MOT reliability compared
Updated 05 September 2026.
14.2%
Morgan Plus MOT failure rate, 1.2 pts lower than Morgan 4/4
Morgan Plus is the more reliable MOT performer: 14.2% of Morgan Plus MOTs fail versus 15.4% for Morgan 4/4, a 1.2 point gap.
| Metric | Morgan 4/4 | Morgan Plus |
|---|---|---|
| MOT failure rate | 15.4% | 14.2% |
| Tests analysed | 55,581 | 50,879 |
| Most common failure | Brakes (31.7%) | Lamps & electrical (26.0%) |
Questions and answers
Which is more reliable, Morgan 4/4 or Morgan Plus?
Morgan Plus is the more reliable MOT performer: 14.2% of Morgan Plus MOTs fail versus 15.4% for Morgan 4/4, a 1.2 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 Plus?
14.2% of Morgan Plus MOT tests result in a failure, from 50,879 tests.