Vauxhall Astra merit diesel vs Vauxhall Vectra: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Vauxhall Astra merit diesel
100%
MOT pass rate · 30,670 vehicles
Vauxhall Vectra
67%
MOT pass rate · 740,983 vehicles
Verdict: On MOT pass rate the Vauxhall Astra merit diesel (100%) 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 Astra merit diesel | Vauxhall Vectra |
|---|---|---|
| MOT pass rate | 100% ✓ | 67% |
| MOT failure rate | 0% ✓ | 33% |
| Faults & advisories per test | 0.0 ✓ | 2.3 |
| Dangerous-fault share | — ✓ | 1% |
| Average mileage | — | 126,456 mi |
| Sample size (vehicles) | 30,670 | 740,983 |
Most common faults
Vauxhall Astra merit diesel
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 Astra merit diesel (100%) and Vauxhall Vectra (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Vauxhall Astra merit diesel 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.