Proton Persona vs Proton 1.5: MOT reliability compared
Updated 05 September 2026.
30.7%
Proton 1.5 MOT failure rate, 3.5 pts lower than Proton Persona
Proton 1.5 is the more reliable MOT performer: 30.7% of Proton 1.5 MOTs fail versus 34.2% for Proton Persona, a 3.5 point gap.
| Metric | Proton Persona | Proton 1.5 |
|---|---|---|
| MOT failure rate | 34.2% | 30.7% |
| Tests analysed | 161,680 | 37,203 |
| Most common failure | Lamps & electrical (44.0%) | Other (32.8%) |
Questions and answers
Which is more reliable, Proton Persona or Proton 1.5?
Proton 1.5 is the more reliable MOT performer: 30.7% of Proton 1.5 MOTs fail versus 34.2% for Proton Persona, a 3.5 point gap.
What is the MOT failure rate of the Proton Persona?
34.2% of Proton Persona MOT tests result in a failure, from 161,680 tests.
What is the MOT failure rate of the Proton 1.5?
30.7% of Proton 1.5 MOT tests result in a failure, from 37,203 tests.