Toyota Yaris vs Toyota Prius: MOT reliability compared
Updated 05 September 2026.
18.2%
Toyota Prius MOT failure rate, 3.8 pts lower than Toyota Yaris
Toyota Prius is the more reliable MOT performer: 18.2% of Toyota Prius MOTs fail versus 22.0% for Toyota Yaris, a 3.8 point gap.
| Metric | Toyota Yaris | Toyota Prius |
|---|---|---|
| MOT failure rate | 22.0% | 18.2% |
| Tests analysed | 9,466,773 | 2,105,628 |
| Most common failure | Lamps & electrical (26.8%) | Lamps & electrical (23.0%) |
Questions and answers
Which is more reliable, Toyota Yaris or Toyota Prius?
Toyota Prius is the more reliable MOT performer: 18.2% of Toyota Prius MOTs fail versus 22.0% for Toyota Yaris, a 3.8 point gap.
What is the MOT failure rate of the Toyota Yaris?
22.0% of Toyota Yaris MOT tests result in a failure, from 9,466,773 tests.
What is the MOT failure rate of the Toyota Prius?
18.2% of Toyota Prius MOT tests result in a failure, from 2,105,628 tests.