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Toyota Bb z q verson vs Toyota Yaris: reliability comparison

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

Toyota Bb z q verson
83%
MOT pass rate · 1 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
Verdict: On MOT pass rate the Toyota Bb z q verson (83%) and Toyota Yaris (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Toyota Bb z q verson Toyota Yaris
MOT pass rate 83% ✓ 78%
MOT failure rate 17% ✓ 22%
Faults & advisories per test 4.8 1.7 ✓
Dangerous-fault share 0% ✓ 2%
Average mileage 125,429 mi 85,387 mi
Sample size (vehicles) 1 631,425

Most common faults

Toyota Bb z q verson

  1. Offside Front Lower Suspension arm ball joint has slight play (5.3.4 (a) (i))
  2. Nearside Front Brake disc worn, but not excessively (1.1.14 (a) (i))
  3. Nearside Front Headlamp lens slightly defective (4.1.1 (b) (i))
  4. Nearside Front Play in steering rack inner joint(s)
  5. Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))
  6. Nearside Rear Suspension arm pin or bush worn but not resulting in excessive movement axle bush (5.3.4 (a) (i))

Toyota Yaris

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate the Toyota Bb z q verson (83%) and Toyota Yaris (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Toyota Bb z q verson report Full Toyota Yaris 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.