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Lexus Rx vs Lexus X90: reliability comparison

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

Lexus Rx
93%
MOT pass rate · 18,210 vehicles
Lexus X90
84%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Lexus Rx (93%) and Lexus X90 (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Lexus Rx Lexus X90
MOT pass rate 93% ✓ 84%
MOT failure rate 7% ✓ 16%
Faults & advisories per test 0.8 ✓ 1.6
Dangerous-fault share 3% 0% ✓
Average mileage 56,088 mi 126,873 mi
Sample size (vehicles) 18,210 1

Most common faults

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))

Lexus X90

  1. Nearside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
  2. Offside Front Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))
  3. Nearside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement rear (2.4.G.2)
  4. Nearside Rear Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement rear inner (2.4.G.2)
  5. Nearside Rear Sub-frame rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
  6. Offside Front Lower Suspension arm rubber bush deteriorated but not resulting in excessive movement rear (2.4.G.2)

Reliability FAQ

On MOT pass rate the Lexus Rx (93%) and Lexus X90 (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Lexus Rx report Full Lexus X90 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.