Toyota Avensis vs Toyota Seinna: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Avensis
75%
MOT pass rate · 274,130 vehicles
Toyota Seinna
80%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Toyota Avensis (75%) and Toyota Seinna (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Toyota Avensis | Toyota Seinna |
|---|---|---|
| MOT pass rate | 75% | 80% ✓ |
| MOT failure rate | 25% | 20% ✓ |
| Faults & advisories per test | 1.6 ✓ | 3.0 |
| Dangerous-fault share | 1% | 0% ✓ |
| Average mileage | 137,634 mi | 159,413 mi |
| Sample size (vehicles) | 274,130 | 2 |
Most common faults
Toyota Avensis
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Rear Brake pad(s) wearing thin (3.5.1g)
Toyota Seinna
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))
- Offside Front Shock absorber has a light misting of oil (2.7.3)
- Offside Steering rack gaiter deteriorated (2.2.D.2d)
- Nearside Front tyre cracking inner edge
Reliability FAQ
On MOT pass rate the Toyota Avensis (75%) and Toyota Seinna (80%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Toyota Avensis report Full Toyota Seinna 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.