Toyota Altezza vs Toyota Yaris: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Toyota Altezza
74%
MOT pass rate · 652 vehicles
Toyota Yaris
78%
MOT pass rate · 631,425 vehicles
More reliable
Verdict: On MOT pass rate, the Toyota Yaris is the more reliable of the two — 78% pass first time versus 74%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Toyota Altezza | Toyota Yaris |
|---|---|---|
| MOT pass rate | 74% | 78% ✓ |
| MOT failure rate | 26% | 22% ✓ |
| Faults & advisories per test | 1.8 | 1.7 ✓ |
| Dangerous-fault share | 1% ✓ | 2% |
| Average mileage | 135,740 mi | 85,387 mi |
| Sample size (vehicles) | 652 | 631,425 |
Most common faults
Toyota Altezza
- 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)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
Toyota Yaris
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
Reliability FAQ
On MOT pass rate, the Toyota Yaris is the more reliable of the two — 78% pass first time versus 74%. It's one signal among several; check the full breakdown below.
Full Toyota Altezza 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.