Opel Astra vs Opel Vectra: MOT reliability compared
Updated 05 September 2026.
30.6%
Opel Astra MOT failure rate, 2.3 pts lower than Opel Vectra
Opel Astra is the more reliable MOT performer: 30.6% of Opel Astra MOTs fail versus 32.9% for Opel Vectra, a 2.3 point gap.
| Metric | Opel Astra | Opel Vectra |
|---|---|---|
| MOT failure rate | 30.6% | 32.9% |
| Tests analysed | 31,515 | 5,836 |
| Most common failure | Lamps & electrical (37.9%) | Lamps & electrical (43.0%) |
Questions and answers
Which is more reliable, Opel Astra or Opel Vectra?
Opel Astra is the more reliable MOT performer: 30.6% of Opel Astra MOTs fail versus 32.9% for Opel Vectra, a 2.3 point gap.
What is the MOT failure rate of the Opel Astra?
30.6% of Opel Astra MOT tests result in a failure, from 31,515 tests.
What is the MOT failure rate of the Opel Vectra?
32.9% of Opel Vectra MOT tests result in a failure, from 5,836 tests.