Vauxhall Astra vs Vauxhall Cavalier cdi auto: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Vauxhall Astra
72%
MOT pass rate · 2,126,137 vehicles
Vauxhall Cavalier cdi auto
100%
MOT pass rate · 5,484 vehicles
Verdict: On MOT pass rate the Vauxhall Astra (72%) and Vauxhall Cavalier cdi auto (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Vauxhall Astra | Vauxhall Cavalier cdi auto |
|---|---|---|
| MOT pass rate | 72% | 100% ✓ |
| MOT failure rate | 28% | 0% ✓ |
| Faults & advisories per test | 2.1 | 0.0 ✓ |
| Dangerous-fault share | 2% | — ✓ |
| Average mileage | 111,290 mi | 56,962 mi |
| Sample size (vehicles) | 2,126,137 | 5,484 |
Most common faults
Vauxhall Astra
- 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 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
Vauxhall Cavalier cdi auto
No fault breakdown available.
Reliability FAQ
On MOT pass rate the Vauxhall Astra (72%) and Vauxhall Cavalier cdi auto (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Vauxhall Astra report Full Vauxhall Cavalier cdi auto 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.