Proton Savvy vs Proton 1.5: MOT reliability compared
Updated 05 September 2026.
30.7%
Proton 1.5 MOT failure rate, 0.4 pts lower than Proton Savvy
Proton 1.5 is the more reliable MOT performer: 30.7% of Proton 1.5 MOTs fail versus 31.1% for Proton Savvy, a 0.4 point gap.
| Metric | Proton Savvy | Proton 1.5 |
|---|---|---|
| MOT failure rate | 31.1% | 30.7% |
| Tests analysed | 47,988 | 37,203 |
| Most common failure | Lamps & electrical (41.8%) | Other (32.8%) |
Questions and answers
Which is more reliable, Proton Savvy or Proton 1.5?
Proton 1.5 is the more reliable MOT performer: 30.7% of Proton 1.5 MOTs fail versus 31.1% for Proton Savvy, a 0.4 point gap.
What is the MOT failure rate of the Proton Savvy?
31.1% of Proton Savvy MOT tests result in a failure, from 47,988 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.