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Vauxhall Astra vs Vauxhall Zafira design: 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 Zafira design
80%
MOT pass rate · 329 vehicles
More reliable
Verdict: On MOT pass rate, the Vauxhall Zafira design is the more reliable of the two — 80% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Head to head

Measure Vauxhall Astra Vauxhall Zafira design
MOT pass rate 72% 80% ✓
MOT failure rate 28% 20% ✓
Faults & advisories per test 2.1 0.0 ✓
Dangerous-fault share 2% 0% ✓
Average mileage 111,290 mi 111,915 mi
Sample size (vehicles) 2,126,137 329

Most common faults

Vauxhall Astra

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Oil leak, but not excessive (8.4.1 (a) (i))
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Oil leak

Vauxhall Zafira design

  1. Oil leak, but not excessive (8.4.1 (a) (i))
  2. Rear Registration plate deteriorated but not likely to be misread (0.1 (b))
  3. Offside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))
  4. Offside Rear Coil spring corroded (5.3.1 (b) (i))
  5. Play in steering rack inner joint(s)
  6. Brake pad(s) wearing thin (3.5.1g)

Reliability FAQ

On MOT pass rate, the Vauxhall Zafira design is the more reliable of the two — 80% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Full Vauxhall Astra report Full Vauxhall Zafira design 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.