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Vauxhall Insignia design turbo d vs Vauxhall Vectra: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Vauxhall Insignia design turbo d
83%
MOT pass rate · 308 vehicles
More reliable
Vauxhall Vectra
67%
MOT pass rate · 740,983 vehicles
Verdict: On MOT pass rate, the Vauxhall Insignia design turbo d is the more reliable of the two — 83% pass first time versus 67%. It's one signal among several; check the full breakdown below.

Head to head

Measure Vauxhall Insignia design turbo d Vauxhall Vectra
MOT pass rate 83% ✓ 67%
MOT failure rate 17% ✓ 33%
Faults & advisories per test 1.3 ✓ 2.3
Dangerous-fault share 6% 1% ✓
Average mileage 37,268 mi 126,456 mi
Sample size (vehicles) 308 740,983

Most common faults

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))

Vauxhall Vectra

  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. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Oil leak
  6. Offside Rear Brake pipe slightly corroded (3.6.B.2c)

Reliability FAQ

On MOT pass rate, the Vauxhall Insignia design turbo d is the more reliable of the two — 83% pass first time versus 67%. It's one signal among several; check the full breakdown below.

Full Vauxhall Insignia design turbo d report Full Vauxhall Vectra 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.