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Toyota Serena vs Toyota Yaris: reliability comparison

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

Toyota Serena
67%
MOT pass rate · 5 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
Verdict: On MOT pass rate the Toyota Serena (67%) 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 Serena Toyota Yaris
MOT pass rate 67% 78% ✓
MOT failure rate 33% 22% ✓
Faults & advisories per test 2.3 1.7 ✓
Dangerous-fault share 7% 2% ✓
Average mileage 140,388 mi 85,387 mi
Sample size (vehicles) 5 631,425

Most common faults

Toyota Serena

  1. Offside Rear 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 legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Nearside Rear Anti-roll bar linkage ball joint has slight play (5.3.4 (a) (i))
  6. Offside Power steering component has slight seepage from a component (2.1.5 (a))

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 Serena (67%) and Toyota Yaris (78%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Toyota Serena 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.