Lexus Ct vs Lexus Is 250c se-i auto: 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 Is 250c se-i auto
84%
MOT pass rate · 17 vehicles
Verdict: On MOT pass rate, the Lexus Ct is the more reliable of the two — 87% pass first time versus 84%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Lexus Ct | Lexus Is 250c se-i auto |
|---|---|---|
| MOT pass rate | 87% ✓ | 84% |
| MOT failure rate | 13% ✓ | 16% |
| Faults & advisories per test | 1.1 ✓ | 1.3 |
| Dangerous-fault share | 4% ✓ | 7% |
| Average mileage | 85,458 mi | 101,112 mi |
| Sample size (vehicles) | 32,251 | 17 |
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 250c se-i auto
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Under-trays fitted obscuring some underside components
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Engine covers fitted obscuring some components in the engine bay
Reliability FAQ
On MOT pass rate, the Lexus Ct is the more reliable of the two — 87% pass first time versus 84%. It's one signal among several; check the full breakdown below.
Full Lexus Ct report Full Lexus Is 250c se-i auto 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.