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Volvo V40 vs Volvo Xc90 momentum b5 awd auto: reliability comparison

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

Volvo V40
74%
MOT pass rate · 171,790 vehicles
Volvo Xc90 momentum b5 awd auto
89%
MOT pass rate · 738 vehicles
More reliable
Verdict: On MOT pass rate, the Volvo Xc90 momentum b5 awd auto is the more reliable of the two — 89% pass first time versus 74%. It's one signal among several; check the full breakdown below.

Head to head

Measure Volvo V40 Volvo Xc90 momentum b5 awd auto
MOT pass rate 74% 89% ✓
MOT failure rate 26% 11% ✓
Faults & advisories per test 1.9 1.0 ✓
Dangerous-fault share 2% ✓ 6%
Average mileage 106,048 mi 63,390 mi
Sample size (vehicles) 171,790 738

Most common faults

Volvo V40

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  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)

Volvo Xc90 momentum b5 awd auto

  1. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Reliability FAQ

On MOT pass rate, the Volvo Xc90 momentum b5 awd auto is the more reliable of the two — 89% pass first time versus 74%. It's one signal among several; check the full breakdown below.

Full Volvo V40 report Full Volvo Xc90 momentum b5 awd auto 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.