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Toyota Ttg18 optimo gl vs Toyota Yaris: reliability comparison

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

Toyota Ttg18 optimo gl
50%
MOT pass rate · 1 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
Verdict: On MOT pass rate the Toyota Ttg18 optimo gl (50%) 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 Ttg18 optimo gl Toyota Yaris
MOT pass rate 50% 78% ✓
MOT failure rate 50% 22% ✓
Faults & advisories per test 1.0 ✓ 1.7
Dangerous-fault share 0% ✓ 2%
Average mileage 215,551 mi 85,387 mi
Sample size (vehicles) 1 631,425

Most common faults

Toyota Ttg18 optimo gl

  1. Service brake: efficiency below requirements (3.7.C.1a)
  2. Offside Steering pivot point has excessive play (2.2.B.1g)

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 Ttg18 optimo gl (50%) and Toyota Yaris (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Toyota Ttg18 optimo gl 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.