Lexus Aristo vs Lexus Rx: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Lexus Aristo
61%
MOT pass rate · 6 vehicles
Lexus Rx
93%
MOT pass rate · 18,210 vehicles
Verdict: On MOT pass rate the Lexus Aristo (61%) 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 Aristo | Lexus Rx |
|---|---|---|
| MOT pass rate | 61% | 93% ✓ |
| MOT failure rate | 39% | 7% ✓ |
| Faults & advisories per test | 2.2 | 0.8 ✓ |
| Dangerous-fault share | 0% ✓ | 3% |
| Average mileage | 155,439 mi | 56,088 mi |
| Sample size (vehicles) | 6 | 18,210 |
Most common faults
Lexus Aristo
- Offside Rear fog lamp not working (1.3.2b)
- Exhaust noisy (7.1.4)
- Oil leak
- brake disc worn, pitted or scored, but not seriously weakened (3.5.1i)
- Offside Front Upper Suspension arm has excessive play in a ball joint (2.4.G.2)
- Centre Rear Statutory seat belt missing (5.1.1)
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 Aristo (61%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Lexus Aristo 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.