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Vauxhall Astra vs Vauxhall Sxi: 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
More reliable
Vauxhall Sxi
65%
MOT pass rate · 46 vehicles
Verdict: On MOT pass rate, the Vauxhall Astra is the more reliable of the two — 72% pass first time versus 65%. It's one signal among several; check the full breakdown below.

Head to head

Measure Vauxhall Astra Vauxhall Sxi
MOT pass rate 72% ✓ 65%
MOT failure rate 28% ✓ 35%
Faults & advisories per test 2.1 ✓ 2.5
Dangerous-fault share 2% 1% ✓
Average mileage 111,290 mi 94,905 mi
Sample size (vehicles) 2,126,137 46

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 Sxi

  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. Parking brake: efficiency below requirements (3.7.B.7)
  4. Exhaust has a minor leak of exhaust gases (7.1.2)
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate, the Vauxhall Astra is the more reliable of the two — 72% pass first time versus 65%. It's one signal among several; check the full breakdown below.

Full Vauxhall Astra report Full Vauxhall Sxi 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.