Lexus Px450h vs Lexus Rx: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Lexus Px450h
76%
MOT pass rate · 1 vehicles
Lexus Rx
93%
MOT pass rate · 18,210 vehicles
Verdict: On MOT pass rate the Lexus Px450h (76%) 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 Px450h | Lexus Rx |
|---|---|---|
| MOT pass rate | 76% | 93% ✓ |
| MOT failure rate | 24% | 7% ✓ |
| Faults & advisories per test | 2.2 | 0.8 ✓ |
| Dangerous-fault share | 5% | 3% ✓ |
| Average mileage | 61,399 mi | 56,088 mi |
| Sample size (vehicles) | 1 | 18,210 |
Most common faults
Lexus Px450h
- Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Offside Rear Shock absorber has a light misting of oil (2.7.3)
- Offside Front Brake disc worn, pitted or scored, but not seriously weakened on inner face (1.1.14 (a) (ii))
- Offside Front Seat belt webbing slightly damaged or frayed drivers belt (7.1.2 (b) (ii))
- FUEL TANK FILLER PIPES CORRODED
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 Px450h (76%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Lexus Px450h 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.