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Volvo Unknown vs Volvo V90 r-design + t5 auto: reliability comparison

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

Volvo Unknown
86%
MOT pass rate · 319,034 vehicles
Volvo V90 r-design + t5 auto
89%
MOT pass rate · 91 vehicles
More reliable
Verdict: On MOT pass rate, the Volvo V90 r-design + t5 auto is the more reliable of the two — 89% pass first time versus 86%. It's one signal among several; check the full breakdown below.

Head to head

Measure Volvo Unknown Volvo V90 r-design + t5 auto
MOT pass rate 86% 89% ✓
MOT failure rate 14% 11% ✓
Faults & advisories per test 0.7 ✓ 1.0
Dangerous-fault share 4% ✓ 7%
Average mileage 431,427 mi 49,814 mi
Sample size (vehicles) 319,034 91

Most common faults

Volvo Unknown

  1. Oil leak, but not excessive (8.4.1 (a) (i))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Parking brake efficiency below requirements (1.4.2 (a) (i))
  5. Service brake efficiency below requirements (1.2.2 (a) (i))
  6. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))

Volvo V90 r-design + t5 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. 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 slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate, the Volvo V90 r-design + t5 auto is the more reliable of the two — 89% pass first time versus 86%. It's one signal among several; check the full breakdown below.

Full Volvo Unknown report Full Volvo V90 r-design + t5 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.