Toyota Avensis vs Toyota Prius alpha: 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 Prius alpha
83%
MOT pass rate · 71 vehicles
More reliable
Verdict: On MOT pass rate, the Toyota Prius alpha is the more reliable of the two — 83% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Toyota Avensis | Toyota Prius alpha |
|---|---|---|
| MOT pass rate | 75% | 83% ✓ |
| MOT failure rate | 25% | 17% ✓ |
| Faults & advisories per test | 1.6 | 0.8 ✓ |
| Dangerous-fault share | 1% ✓ | 7% |
| Average mileage | 137,634 mi | 81,122 mi |
| Sample size (vehicles) | 274,130 | 71 |
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 Prius alpha
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Rear fog lamp does not emit a steady red light (4.5.4 (a))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
Reliability FAQ
On MOT pass rate, the Toyota Prius alpha is the more reliable of the two — 83% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Toyota Avensis report Full Toyota Prius alpha 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.