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Toyota Mark ii vs Toyota Yaris: reliability comparison

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

Toyota Mark ii
87%
MOT pass rate · 253 vehicles
More reliable
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
Verdict: On MOT pass rate, the Toyota Mark ii is the more reliable of the two — 87% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Toyota Mark ii Toyota Yaris
MOT pass rate 87% ✓ 78%
MOT failure rate 13% ✓ 22%
Faults & advisories per test 1.1 ✓ 1.7
Dangerous-fault share 3% 2% ✓
Average mileage 142,757 mi 85,387 mi
Sample size (vehicles) 253 631,425

Most common faults

Toyota Mark ii

  1. Oil leak, but not excessive (8.4.1 (a) (i))
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Exhaust noisy (8.1.1 (a))
  6. Offside 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 Mark ii is the more reliable of the two — 87% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Toyota Mark ii 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.