Skip to content

Vauxhall Sibnum vs Vauxhall Zafira: reliability comparison

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

Vauxhall Sibnum
69%
MOT pass rate · 1 vehicles
Vauxhall Zafira
72%
MOT pass rate · 574,048 vehicles
Verdict: On MOT pass rate the Vauxhall Sibnum (69%) and Vauxhall Zafira (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Vauxhall Sibnum Vauxhall Zafira
MOT pass rate 69% 72% ✓
MOT failure rate 31% 28% ✓
Faults & advisories per test 2.4 2.1 ✓
Dangerous-fault share 0% ✓ 2%
Average mileage 153,328 mi 116,941 mi
Sample size (vehicles) 1 574,048

Most common faults

Vauxhall Sibnum

  1. Nearside Rear Direction indicators slightly discoloured (1.4.A.2f)
  2. Offside Front Steering rack gaiter deteriorated (2.2.D.2d)
  3. Offside Inner Front Front constant velocity joint gaiter deteriorated, but preventing the ingress of dirt (2.5.C.1a)
  4. Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)
  5. all brake discs worn
  6. all tyres starting to deteriate

Vauxhall Zafira

  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. Child seat fitted not allowing full inspection of adult belt

Reliability FAQ

On MOT pass rate the Vauxhall Sibnum (69%) and Vauxhall Zafira (72%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Vauxhall Sibnum report Full Vauxhall Zafira 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.