Vauxhall Insignia excl nav 158cdti vs Vauxhall Vectra: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Vauxhall Insignia excl nav 158cdti
90%
MOT pass rate · 5 vehicles
Vauxhall Vectra
67%
MOT pass rate · 740,983 vehicles
Verdict: On MOT pass rate the Vauxhall Insignia excl nav 158cdti (90%) and Vauxhall Vectra (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Vauxhall Insignia excl nav 158cdti | Vauxhall Vectra |
|---|---|---|
| MOT pass rate | 90% ✓ | 67% |
| MOT failure rate | 10% ✓ | 33% |
| Faults & advisories per test | 0.0 ✓ | 2.3 |
| Dangerous-fault share | — ✓ | 1% |
| Average mileage | 110,006 mi | 126,456 mi |
| Sample size (vehicles) | 5 | 740,983 |
Most common faults
Vauxhall Insignia excl nav 158cdti
No fault breakdown available.
Vauxhall Vectra
- 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)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Oil leak
- Offside Rear Brake pipe slightly corroded (3.6.B.2c)
Reliability FAQ
On MOT pass rate the Vauxhall Insignia excl nav 158cdti (90%) and Vauxhall Vectra (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Vauxhall Insignia excl nav 158cdti report Full Vauxhall Vectra 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.