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Toyota Prius t4vvt-icvt vs Toyota Yaris: reliability comparison

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

Toyota Prius t4vvt-icvt
69%
MOT pass rate · 1 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
Verdict: On MOT pass rate the Toyota Prius t4vvt-icvt (69%) 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 Prius t4vvt-icvt Toyota Yaris
MOT pass rate 69% 78% ✓
MOT failure rate 31% 22% ✓
Faults & advisories per test 1.3 ✓ 1.7
Dangerous-fault share 2% 2%
Average mileage 294,135 mi 85,387 mi
Sample size (vehicles) 1 631,425

Most common faults

Toyota Prius t4vvt-icvt

  1. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Rear Outer Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))
  5. Offside Front Position lamp not working (4.2.1 (a) (ii))
  6. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

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 Prius t4vvt-icvt (69%) and Toyota Yaris (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Toyota Prius t4vvt-icvt 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.