Skip to content

Lexus Is 250c se-l auto vs Lexus Nx: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Lexus Is 250c se-l auto
88%
MOT pass rate · 33 vehicles
Lexus Nx
92%
MOT pass rate · 29,652 vehicles
More reliable
Verdict: On MOT pass rate, the Lexus Nx is the more reliable of the two — 92% pass first time versus 88%. It's one signal among several; check the full breakdown below.

Head to head

Measure Lexus Is 250c se-l auto Lexus Nx
MOT pass rate 88% 92% ✓
MOT failure rate 12% 8% ✓
Faults & advisories per test 1.2 0.9 ✓
Dangerous-fault share 3% 3%
Average mileage 106,401 mi 54,657 mi
Sample size (vehicles) 33 29,652

Most common faults

Lexus Is 250c se-l auto

  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 legal limit/worn on edge (5.2.3 (e))
  4. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)

Lexus Nx

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  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 Nx is the more reliable of the two — 92% pass first time versus 88%. It's one signal among several; check the full breakdown below.

Full Lexus Is 250c se-l auto report Full Lexus Nx 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.