Skip to content

Lexus Ct vs Lexus Is250: 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 Is250
83%
MOT pass rate · 13,386 vehicles
Verdict: On MOT pass rate, the Lexus Ct is the more reliable of the two — 87% pass first time versus 83%. It's one signal among several; check the full breakdown below.

Head to head

Measure Lexus Ct Lexus Is250
MOT pass rate 87% ✓ 83%
MOT failure rate 13% ✓ 17%
Faults & advisories per test 1.1 ✓ 1.3
Dangerous-fault share 4% 3% ✓
Average mileage 85,458 mi 109,784 mi
Sample size (vehicles) 32,251 13,386

Most common faults

Lexus Ct

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Front Brake pad(s) wearing thin (1.1.13 (a) (ii))
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Lexus Is250

  1. Under-trays fitted obscuring some underside components
  2. Engine covers fitted obscuring some components in the engine bay
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate, the Lexus Ct is the more reliable of the two — 87% pass first time versus 83%. It's one signal among several; check the full breakdown below.

Full Lexus Ct report Full Lexus Is250 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.