Opel Corsa vs Opel Kadett: MOT reliability compared
Updated 05 September 2026.
29.1%
Opel Kadett MOT failure rate, 4.8 pts lower than Opel Corsa
Opel Kadett is the more reliable MOT performer: 29.1% of Opel Kadett MOTs fail versus 33.9% for Opel Corsa, a 4.8 point gap.
| Metric | Opel Corsa | Opel Kadett |
|---|---|---|
| MOT failure rate | 33.9% | 29.1% |
| Tests analysed | 20,907 | 5,464 |
| Most common failure | Lamps & electrical (39.9%) | Lamps & electrical (40.5%) |
Questions and answers
Which is more reliable, Opel Corsa or Opel Kadett?
Opel Kadett is the more reliable MOT performer: 29.1% of Opel Kadett MOTs fail versus 33.9% for Opel Corsa, a 4.8 point gap.
What is the MOT failure rate of the Opel Corsa?
33.9% of Opel Corsa MOT tests result in a failure, from 20,907 tests.
What is the MOT failure rate of the Opel Kadett?
29.1% of Opel Kadett MOT tests result in a failure, from 5,464 tests.