LEXUS IS300 MOT Pass Rate
80.0% of 1,227 LEXUS IS300 MOT tests pass.
The IS300 passes 80.0% of the time, noticeably below the figure for the average across all LEXUS models (88.9%).
The LEXUS IS300's pass rate of 80.0% is in line with the national average for cars, at 79.2%.
Pass rate by vehicle age
Pass rate declines noticeably with age, from 90.7% at 6–10 years to 78.7% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | too few tests (1) | 1 | no reading |
| 3–6 years | too few tests (26) | 26 | no reading |
| 6–10 years | 90.7% | 172 | 83,092 miles |
| 10–15 years | 61.2% | 49 | 122,410 miles |
| 15+ years | 78.7% | 979 | 116,767 miles |
Common MOT failure reasons for the LEXUS IS300
The most common reason the LEXUS IS300 fails its MOT is lamps, reflectors and electrical equipment — present in 45.5% of failed tests, most often logged as "Not working".
| Category | Share of failed tests | Example |
|---|---|---|
| Lamps, reflectors and electrical equipment | 45.5% | Not working |
| Suspension | 37.7% | Prescribed area excessively corroded significantly reducing structural strength |
| Tyres | 26.5% | Tread depth below requirements of 1.6mm |
| Brakes | 24.9% | Excessively binding |
| Visibility | 16.5% | Does not clear the windscreen effectively |
| Body, chassis, structure | 12.5% | Corroded to the extent that the rigidity of the assembly is significantly reduced |
| Noise, emissions and leaks | 10.0% | Inoperative or indicates a malfunction |
| Steering | 3.1% | Gaiter missing or no longer prevents the ingress of dirt |
| Seat belts and supplementary restraint systems | 1.9% | Prescribed area strength or continuity significantly reduced |
| Road Wheels | 1.6% | Fixing missing |