PROTON MOT Pass Rate
PROTON passes 61.1% of the time, noticeably below the figure for the national average for cars (79.2%). This is based on 3,387 MOT tests.
No individual PROTON model has enough test volume to meet our minimum sample size on its own — the figures above cover every PROTON in the dataset.
Top failure reasons across PROTON
| Category | Share of failed tests | Example |
|---|---|---|
| Brakes | 63.7% | Efficiency below requirements |
| Lamps, reflectors and electrical equipment | 62.6% | Not working |
| Suspension | 49.1% | Prescribed area excessively corroded significantly reducing structural strength |
| Body, chassis, structure | 32.8% | Has a major leak of exhaust gases |
| Noise, emissions and leaks | 24.8% | Lambda reading after 2nd fast idle outside specified limits |
| Tyres | 19.4% | Tread depth below requirements of 1.6mm |
| Visibility | 17.7% | Does not clear the windscreen effectively |
| Steering | 10.3% | Ball joint has excessive play |
| Seat belts and supplementary restraint systems | 8.4% | Prescribed area strength or continuity significantly reduced |
| Road Wheels | 1.1% | Fixing missing |