Opel Astra vs Opel Manta: MOT reliability compared
Updated 05 September 2026.
23.9%
Opel Manta MOT failure rate, 6.7 pts lower than Opel Astra
Opel Manta is the more reliable MOT performer: 23.9% of Opel Manta MOTs fail versus 30.6% for Opel Astra, a 6.7 point gap.
| Metric | Opel Astra | Opel Manta |
|---|---|---|
| MOT failure rate | 30.6% | 23.9% |
| Tests analysed | 31,515 | 10,396 |
| Most common failure | Lamps & electrical (37.9%) | Lamps & electrical (46.0%) |
Questions and answers
Which is more reliable, Opel Astra or Opel Manta?
Opel Manta is the more reliable MOT performer: 23.9% of Opel Manta MOTs fail versus 30.6% for Opel Astra, a 6.7 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 Manta?
23.9% of Opel Manta MOT tests result in a failure, from 10,396 tests.