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Lexus Is 250 sport auto vs Lexus Rx: reliability comparison

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

Lexus Is 250 sport auto
87%
MOT pass rate · 7 vehicles
Lexus Rx
93%
MOT pass rate · 18,210 vehicles
Verdict: On MOT pass rate the Lexus Is 250 sport auto (87%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Lexus Is 250 sport auto Lexus Rx
MOT pass rate 87% 93% ✓
MOT failure rate 13% 7% ✓
Faults & advisories per test 0.8 0.8
Dangerous-fault share 2% ✓ 3%
Average mileage 160,310 mi 56,088 mi
Sample size (vehicles) 7 18,210

Most common faults

Lexus Is 250 sport auto

  1. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. front tyres worn on edges
  5. rear tyres worn to 3mm
  6. Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d)

Lexus Rx

  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. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Lexus Is 250 sport auto (87%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Lexus Is 250 sport auto report Full Lexus Rx 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.