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Volvo Training bus vs Volvo Unknown: reliability comparison

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

Volvo Training bus
87%
MOT pass rate · 4 vehicles
Volvo Unknown
86%
MOT pass rate · 319,034 vehicles
Verdict: On MOT pass rate the Volvo Training bus (87%) and Volvo Unknown (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Volvo Training bus Volvo Unknown
MOT pass rate 87% ✓ 86%
MOT failure rate 13% ✓ 14%
Faults & advisories per test 0.6 ✓ 0.7
Dangerous-fault share 0% ✓ 4%
Average mileage 280,118 mi 431,427 mi
Sample size (vehicles) 4 319,034

Most common faults

Volvo Training bus

  1. Oil leak
  2. rear air tank straps corroaded
  3. Brakes imbalanced across an axle (3.7.B.5b)
  4. Service brake: efficiency below requirements (3.7.B.7)
  5. Offside Front Front position lamp(s) not working (1.1.A.3b)
  6. Nearside Outer Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)

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))

Reliability FAQ

On MOT pass rate the Volvo Training bus (87%) and Volvo Unknown (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Volvo Training bus report Full Volvo Unknown 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.