Lexus Ct vs Lexus Is 300h sport cvt: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Lexus Ct
87%
MOT pass rate · 32,251 vehicles
Lexus Is 300h sport cvt
93%
MOT pass rate · 135 vehicles
Verdict: On MOT pass rate the Lexus Ct (87%) and Lexus Is 300h sport cvt (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Lexus Ct | Lexus Is 300h sport cvt |
|---|---|---|
| MOT pass rate | 87% | 93% ✓ |
| MOT failure rate | 13% | 7% ✓ |
| Faults & advisories per test | 1.1 | 0.3 ✓ |
| Dangerous-fault share | 4% ✓ | 9% |
| Average mileage | 85,458 mi | 83,607 mi |
| Sample size (vehicles) | 32,251 | 135 |
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 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))
Reliability FAQ
On MOT pass rate the Lexus Ct (87%) and Lexus Is 300h sport cvt (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Lexus Ct report Full Lexus Is 300h sport cvt 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.