Vauxhall Astra vs Vauxhall Insignia: MOT reliability compared
Updated 05 September 2026.
22.2%
Vauxhall Insignia MOT failure rate, 5.8 pts lower than Vauxhall Astra
Vauxhall Insignia is the more reliable MOT performer: 22.2% of Vauxhall Insignia MOTs fail versus 28.0% for Vauxhall Astra, a 5.8 point gap.
| Metric | Vauxhall Astra | Vauxhall Insignia |
|---|---|---|
| MOT failure rate | 28.0% | 22.2% |
| Tests analysed | 25,662,553 | 3,349,934 |
| Most common failure | Suspension (33.3%) | Suspension (28.7%) |
Questions and answers
Which is more reliable, Vauxhall Astra or Vauxhall Insignia?
Vauxhall Insignia is the more reliable MOT performer: 22.2% of Vauxhall Insignia MOTs fail versus 28.0% for Vauxhall Astra, a 5.8 point gap.
What is the MOT failure rate of the Vauxhall Astra?
28.0% of Vauxhall Astra MOT tests result in a failure, from 25,662,553 tests.
What is the MOT failure rate of the Vauxhall Insignia?
22.2% of Vauxhall Insignia MOT tests result in a failure, from 3,349,934 tests.