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Toyota Prius t3vvt-icvt vs Toyota Yaris: reliability comparison

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

Toyota Prius t3vvt-icvt
83%
MOT pass rate · 1 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
Verdict: On MOT pass rate the Toyota Prius t3vvt-icvt (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 Prius t3vvt-icvt Toyota Yaris
MOT pass rate 83% 78%
MOT failure rate 17% 22%
Faults & advisories per test 0.1 1.7
Dangerous-fault share 100% 2%
Average mileage 341,735 mi 85,387 mi
Sample size (vehicles) 1 631,425

Most common faults

Toyota Prius t3vvt-icvt

  1. Rear Brake disc in such a condition that it is seriously weakened both (1.1.14 (a) (ii))
  2. Nearside Front position lamp(s) not working (1.1.A.3b)
  3. Front position lamp(s) not working both (1.1.A.3b)
  4. Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  5. Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  6. Rear Registration plate lamp not working both (1.1.C.1d)

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 t3vvt-icvt (83%) and Toyota Yaris (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Toyota Prius t3vvt-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.