Bentley Mulsanne vs Bentley Eight: MOT reliability compared
Updated 05 September 2026.
14.5%
Bentley Mulsanne MOT failure rate, 7.5 pts lower than Bentley Eight
Bentley Mulsanne is the more reliable MOT performer: 14.5% of Bentley Mulsanne MOTs fail versus 22.0% for Bentley Eight, a 7.5 point gap.
| Metric | Bentley Mulsanne | Bentley Eight |
|---|---|---|
| MOT failure rate | 14.5% | 22.0% |
| Tests analysed | 15,791 | 7,181 |
| Most common failure | Brakes (42.0%) | Brakes (53.2%) |
Questions and answers
Which is more reliable, Bentley Mulsanne or Bentley Eight?
Bentley Mulsanne is the more reliable MOT performer: 14.5% of Bentley Mulsanne MOTs fail versus 22.0% for Bentley Eight, a 7.5 point gap.
What is the MOT failure rate of the Bentley Mulsanne?
14.5% of Bentley Mulsanne MOT tests result in a failure, from 15,791 tests.
What is the MOT failure rate of the Bentley Eight?
22.0% of Bentley Eight MOT tests result in a failure, from 7,181 tests.