Vauxhall Corsa vs Vauxhall Insignia energy cdti: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Vauxhall Corsa
70%
MOT pass rate · 2,071,930 vehicles
Vauxhall Insignia energy cdti
90%
MOT pass rate · 61 vehicles
More reliable
Verdict: On MOT pass rate, the Vauxhall Insignia energy cdti is the more reliable of the two — 90% pass first time versus 70%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Vauxhall Corsa | Vauxhall Insignia energy cdti |
|---|---|---|
| MOT pass rate | 70% | 90% ✓ |
| MOT failure rate | 30% | 10% ✓ |
| Faults & advisories per test | 2.0 | 0.0 ✓ |
| Dangerous-fault share | 2% | — ✓ |
| Average mileage | 89,092 mi | 116,396 mi |
| Sample size (vehicles) | 2,071,930 | 61 |
Most common faults
Vauxhall Corsa
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Oil leak, but not excessive (8.4.1 (a) (i))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Parking brake: efficiency below requirements (3.7.B.7)
Vauxhall Insignia energy cdti
No fault breakdown available.
Reliability FAQ
On MOT pass rate, the Vauxhall Insignia energy cdti is the more reliable of the two — 90% pass first time versus 70%. It's one signal among several; check the full breakdown below.
Full Vauxhall Corsa report Full Vauxhall Insignia energy cdti report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.