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Model reliability
Lexus Rx400h reliability
The Lexus Rx400h fails its MOT less often than most cars over 10 years old: 27.6% of 7,831 tests failed in 2023, against 39.7% on average.
Over 10 years old
27.6% failed their MOT
From 7,831 MOT tests of Lexus Rx400hs this age.
Where it does worse than other cars this age
Advised 2× as oftenSuspension arms26.1% vs 12.1%
Advised 55% more oftenAnti-roll bars9.3% vs 6%
Advised 71% more oftenSub-frames7.2% vs 4.2%
Checking a Lexus Rx400h before you buy
Look at the parts above at the viewing, and read the car’s own MOT history: advisories for the same parts suggest the problem is already starting. Sweep’s free check shows every MOT, advisory and mileage reading for a registration.
Source: DVSA anonymised MOT tests 2023 (Open Government Licence v3.0). Failure rates compare this model with all cars in the same age band. Fix prices are typical independent-garage estimates.