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Vauxhall Astra vs Vauxhall Wyvern: 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 Wyvern
81%
MOT pass rate · 278 vehicles
More reliable
Verdict: On MOT pass rate, the Vauxhall Wyvern is the more reliable of the two — 81% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Head to head

Measure Vauxhall Astra Vauxhall Wyvern
MOT pass rate 72% 81% ✓
MOT failure rate 28% 19% ✓
Faults & advisories per test 2.1 1.4 ✓
Dangerous-fault share 2% 1% ✓
Average mileage 111,290 mi 62,380 mi
Sample size (vehicles) 2,126,137 278

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 Wyvern

  1. Oil leak
  2. Brakes imbalanced across an axle (3.7.B.5b)
  3. Service brake: efficiency below requirements (3.7.B.7)
  4. Parking brake: efficiency below requirements (3.7.B.7)
  5. Steering system has slight free play detected at steering wheel (2.2.A.1a)
  6. Oil leak, but not excessive (8.4.1 (a) (i))

Reliability FAQ

On MOT pass rate, the Vauxhall Wyvern is the more reliable of the two — 81% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Full Vauxhall Astra report Full Vauxhall Wyvern 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.