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Vauxhall Astra vs Vauxhall Corsa sxi ac: 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 Corsa sxi ac
87%
MOT pass rate · 1,058 vehicles
More reliable
Verdict: On MOT pass rate, the Vauxhall Corsa sxi ac is the more reliable of the two — 87% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Head to head

Measure Vauxhall Astra Vauxhall Corsa sxi ac
MOT pass rate 72% 87% ✓
MOT failure rate 28% 13% ✓
Faults & advisories per test 2.1 0.0 ✓
Dangerous-fault share 2% ✓ 3%
Average mileage 111,290 mi 80,979 mi
Sample size (vehicles) 2,126,137 1,058

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 Corsa sxi ac

  1. Oil leak, but not excessive (8.4.1 (a) (i))
  2. Nearside Rear Child Seat fitted not allowing full inspection of adult belt
  3. Nearside Rear Tyre slightly damaged/cracking or perishing TREAD CRACKED - 195/55R16 (5.2.3 (d) (ii))
  4. Offside Rear Tyre worn close to legal limit/worn on edge DOWN TO THE TREAD WEAR BARS (5.2.3 (e))
  5. Nearside Rear Tyre slightly damaged/cracking or perishing Badly cracked (5.2.3 (d) (ii))
  6. Nearside Front Brake pad(s) less than 1.5 mm thick (3.5.1g)

Reliability FAQ

On MOT pass rate, the Vauxhall Corsa sxi ac is the more reliable of the two — 87% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Full Vauxhall Astra report Full Vauxhall Corsa sxi ac 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.