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Lexus Gs450 vs Lexus Rx: reliability comparison

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

Lexus Gs450
78%
MOT pass rate · 3 vehicles
Lexus Rx
93%
MOT pass rate · 18,210 vehicles
Verdict: On MOT pass rate the Lexus Gs450 (78%) 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 Gs450 Lexus Rx
MOT pass rate 78% 93% ✓
MOT failure rate 22% 7% ✓
Faults & advisories per test 1.8 0.8 ✓
Dangerous-fault share 4% 3% ✓
Average mileage 151,151 mi 56,088 mi
Sample size (vehicles) 3 18,210

Most common faults

Lexus Gs450

  1. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  4. Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  5. Nearside Front Shock absorber has a light misting of oil (2.7.3)
  6. Oil leak, but not excessive (8.4.1 (a) (i))

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 Gs450 (78%) and Lexus Rx (93%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Lexus Gs450 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.