Lexus Is 300 sportcross auto vs Lexus Rx: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Lexus Is 300 sportcross auto
74%
MOT pass rate · 17 vehicles
Lexus Rx
93%
MOT pass rate · 18,210 vehicles
Verdict: On MOT pass rate the Lexus Is 300 sportcross auto (74%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Lexus Is 300 sportcross auto | Lexus Rx |
|---|---|---|
| MOT pass rate | 74% | 93% ✓ |
| MOT failure rate | 26% | 7% ✓ |
| Faults & advisories per test | 0.8 | 0.8 |
| Dangerous-fault share | 3% | 3% |
| Average mileage | 110,877 mi | 56,088 mi |
| Sample size (vehicles) | 17 | 18,210 |
Most common faults
Lexus Is 300 sportcross auto
- Rear Brake pad(s) wearing thin (3.5.1g)
- Front Tyre worn close to the legal limit (4.1.E.1)
- Front Shock absorber has a light misting of oil (2.7.3)
- Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
Lexus Rx
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Reliability FAQ
On MOT pass rate the Lexus Is 300 sportcross auto (74%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Lexus Is 300 sportcross auto report Full Lexus Rx report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.