Vauxhall Vectra vs Vauxhall Viaro: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Vauxhall Vectra
67%
MOT pass rate · 740,983 vehicles
Vauxhall Viaro
60%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Vauxhall Vectra (67%) and Vauxhall Viaro (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Vauxhall Vectra | Vauxhall Viaro |
|---|---|---|
| MOT pass rate | 67% ✓ | 60% |
| MOT failure rate | 33% ✓ | 40% |
| Faults & advisories per test | 2.3 ✓ | 2.9 |
| Dangerous-fault share | 1% ✓ | 9% |
| Average mileage | 126,456 mi | 174,631 mi |
| Sample size (vehicles) | 740,983 | 1 |
Most common faults
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)
Vauxhall Viaro
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- front and rear disc lipped
- slight movememt in o/s/f top mount
- Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)
- Oil leak
Reliability FAQ
On MOT pass rate the Vauxhall Vectra (67%) and Vauxhall Viaro (60%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Vauxhall Vectra report Full Vauxhall Viaro 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.