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Vauxhall Astra vs Vauxhall Insignia design turbo d: 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 Insignia design turbo d
83%
MOT pass rate · 308 vehicles
More reliable
Verdict: On MOT pass rate, the Vauxhall Insignia design turbo d is the more reliable of the two — 83% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Head to head

Measure Vauxhall Astra Vauxhall Insignia design turbo d
MOT pass rate 72% 83% ✓
MOT failure rate 28% 17% ✓
Faults & advisories per test 2.1 1.3 ✓
Dangerous-fault share 2% ✓ 6%
Average mileage 111,290 mi 37,268 mi
Sample size (vehicles) 2,126,137 308

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 Insignia design turbo d

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  4. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  5. Nearside Rear Child Seat fitted not allowing full inspection of adult belt
  6. Offside Rear Tyre has a cut but not deep enough to reach the ply or cords (5.2.3 (d) (i))

Reliability FAQ

On MOT pass rate, the Vauxhall Insignia design turbo d is the more reliable of the two — 83% pass first time versus 72%. It's one signal among several; check the full breakdown below.

Full Vauxhall Astra report Full Vauxhall Insignia design turbo d 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.