Lexus Is 300h sport cvt vs Lexus Rx: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Lexus Is 300h sport cvt
93%
MOT pass rate · 135 vehicles
Lexus Rx
93%
MOT pass rate · 18,210 vehicles
Verdict: On MOT pass rate the Lexus Is 300h sport cvt (93%) 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 300h sport cvt | Lexus Rx |
|---|---|---|
| MOT pass rate | 93% | 93% |
| MOT failure rate | 7% | 7% |
| Faults & advisories per test | 0.3 ✓ | 0.8 |
| Dangerous-fault share | 9% | 3% ✓ |
| Average mileage | 83,607 mi | 56,088 mi |
| Sample size (vehicles) | 135 | 18,210 |
Most common faults
Lexus Is 300h sport cvt
- 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))
- Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
- Offside Front Position lamp not working (4.2.1 (a) (ii))
- Front Brake disc worn, pitted or scored, but not seriously weakened both (1.1.14 (a) (ii))
- Front Brake pad(s) wearing thin both (1.1.13 (a) (ii))
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 300h sport cvt (93%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Lexus Is 300h sport cvt 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.