Vauxhall Astra merit i vs Vauxhall Zafira: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Vauxhall Astra merit i
64%
MOT pass rate · 28,922 vehicles
Vauxhall Zafira
72%
MOT pass rate · 574,048 vehicles
Verdict: On MOT pass rate the Vauxhall Astra merit i (64%) and Vauxhall Zafira (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Vauxhall Astra merit i | Vauxhall Zafira |
|---|---|---|
| MOT pass rate | 64% | 72% ✓ |
| MOT failure rate | 36% | 28% ✓ |
| Faults & advisories per test | 0.0 ✓ | 2.1 |
| Dangerous-fault share | — ✓ | 2% |
| Average mileage | 114,031 mi | 116,941 mi |
| Sample size (vehicles) | 28,922 | 574,048 |
Most common faults
Vauxhall Astra merit i
No fault breakdown available.
Vauxhall Zafira
- 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)
- Child seat fitted not allowing full inspection of adult belt
Reliability FAQ
On MOT pass rate the Vauxhall Astra merit i (64%) and Vauxhall Zafira (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Vauxhall Astra merit i report Full Vauxhall Zafira 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.