Rover 45 vs Rover 620: MOT reliability compared
Updated 05 September 2026.
27.7%
Rover 45 MOT failure rate, 9.3 pts lower than Rover 620
Rover 45 is the more reliable MOT performer: 27.7% of Rover 45 MOTs fail versus 37.0% for Rover 620, a 9.3 point gap.
| Metric | Rover 45 | Rover 620 |
|---|---|---|
| MOT failure rate | 27.7% | 37.0% |
| Tests analysed | 850,501 | 377,675 |
| Most common failure | Lamps & electrical (30.9%) | Brakes (56.6%) |
Questions and answers
Which is more reliable, Rover 45 or Rover 620?
Rover 45 is the more reliable MOT performer: 27.7% of Rover 45 MOTs fail versus 37.0% for Rover 620, a 9.3 point gap.
What is the MOT failure rate of the Rover 45?
27.7% of Rover 45 MOT tests result in a failure, from 850,501 tests.
What is the MOT failure rate of the Rover 620?
37.0% of Rover 620 MOT tests result in a failure, from 377,675 tests.