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Lexus Is200 vs Lexus Rx400h: reliability comparison

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

Lexus Is200
75%
MOT pass rate · 35,381 vehicles
Lexus Rx400h
82%
MOT pass rate · 9,691 vehicles
More reliable
Verdict: On MOT pass rate, the Lexus Rx400h is the more reliable of the two — 82% pass first time versus 75%. It's one signal among several; check the full breakdown below.

Head to head

Measure Lexus Is200 Lexus Rx400h
MOT pass rate 75% 82% ✓
MOT failure rate 25% 18% ✓
Faults & advisories per test 1.7 ✓ 1.8
Dangerous-fault share 1% ✓ 2%
Average mileage 128,648 mi 143,405 mi
Sample size (vehicles) 35,381 9,691

Most common faults

Lexus Is200

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Rear Brake pad(s) wearing thin (3.5.1g)
  6. Under-trays fitted obscuring some underside components

Lexus Rx400h

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Front Tyre worn close to the legal limit (4.1.E.1)

Reliability FAQ

On MOT pass rate, the Lexus Rx400h is the more reliable of the two — 82% pass first time versus 75%. It's one signal among several; check the full breakdown below.

Full Lexus Is200 report Full Lexus Rx400h 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.