Opel Zafira vs Opel Kadett: MOT reliability compared
Updated 05 September 2026.
29.1%
Opel Kadett MOT failure rate, 2.1 pts lower than Opel Zafira
Opel Kadett is the more reliable MOT performer: 29.1% of Opel Kadett MOTs fail versus 31.2% for Opel Zafira, a 2.1 point gap.
| Metric | Opel Zafira | Opel Kadett |
|---|---|---|
| MOT failure rate | 31.2% | 29.1% |
| Tests analysed | 42,184 | 5,464 |
| Most common failure | Suspension (37.0%) | Lamps & electrical (40.5%) |
Questions and answers
Which is more reliable, Opel Zafira or Opel Kadett?
Opel Kadett is the more reliable MOT performer: 29.1% of Opel Kadett MOTs fail versus 31.2% for Opel Zafira, a 2.1 point gap.
What is the MOT failure rate of the Opel Zafira?
31.2% of Opel Zafira MOT tests result in a failure, from 42,184 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.