Vauxhall Vectra vs Vauxhall Insignia: MOT reliability compared
Updated 05 September 2026.
22.2%
Vauxhall Insignia MOT failure rate, 10.6 pts lower than Vauxhall Vectra
Vauxhall Insignia is the more reliable MOT performer: 22.2% of Vauxhall Insignia MOTs fail versus 32.8% for Vauxhall Vectra, a 10.6 point gap.
| Metric | Vauxhall Vectra | Vauxhall Insignia |
|---|---|---|
| MOT failure rate | 32.8% | 22.2% |
| Tests analysed | 7,615,747 | 3,349,934 |
| Most common failure | Suspension (41.0%) | Suspension (28.7%) |
Questions and answers
Which is more reliable, Vauxhall Vectra or Vauxhall Insignia?
Vauxhall Insignia is the more reliable MOT performer: 22.2% of Vauxhall Insignia MOTs fail versus 32.8% for Vauxhall Vectra, a 10.6 point gap.
What is the MOT failure rate of the Vauxhall Vectra?
32.8% of Vauxhall Vectra MOT tests result in a failure, from 7,615,747 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.