Lexus Ct vs Lexus Rx300: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Lexus Ct
87%
MOT pass rate · 32,251 vehicles
More reliable
Lexus Rx300
79%
MOT pass rate · 14,806 vehicles
Verdict: On MOT pass rate, the Lexus Ct is the more reliable of the two — 87% pass first time versus 79%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Lexus Ct | Lexus Rx300 |
|---|---|---|
| MOT pass rate | 87% ✓ | 79% |
| MOT failure rate | 13% ✓ | 21% |
| Faults & advisories per test | 1.1 ✓ | 1.7 |
| Dangerous-fault share | 4% | 1% ✓ |
| Average mileage | 85,458 mi | 125,576 mi |
| Sample size (vehicles) | 32,251 | 14,806 |
Most common faults
Lexus Ct
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
- Nearside Rear 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))
Lexus Rx300
- Front Brake pad(s) wearing thin (3.5.1g)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Oil leak, but not excessive (8.4.1 (a) (i))
Reliability FAQ
On MOT pass rate, the Lexus Ct is the more reliable of the two — 87% pass first time versus 79%. It's one signal among several; check the full breakdown below.
Full Lexus Ct report Full Lexus Rx300 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.