Most reliable Proton: MOT failure rates ranked
Updated 05 September 2026.
29.5%
Proton Gen-2, the most reliable Proton
The most reliable Proton on MOT failure rate is the Proton Gen-2, at 29.5% failures across 60,404 tests.
| Rank | Model | MOT failure rate | Tests |
|---|---|---|---|
| 1 | Proton Gen-2 | 29.5% | 60,404 |
| 2 | Proton Jumbuck | 30.0% | 30,444 |
| 3 | Proton Wira | 30.1% | 60,321 |
| 4 | Proton Impian | 30.2% | 30,235 |
| 5 | Proton 1.5 | 30.7% | 37,203 |
| 6 | Proton Savvy | 31.1% | 47,988 |
| 7 | Proton Satria | 32.0% | 39,593 |
| 8 | Proton Gl | 32.5% | 5,709 |
| 9 | Proton 1.3 | 32.8% | 23,369 |
| 10 | Proton Persona | 34.2% | 161,680 |
| 11 | Proton Compact | 35.2% | 19,344 |
Questions and answers
What is the most reliable Proton at MOT?
The most reliable Proton on MOT failure rate is the Proton Gen-2, at 29.5% failures across 60,404 tests.
Which Proton fails its MOT most often?
The Proton Compact has the highest MOT failure rate of the Proton range, at 35.2%.