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What 21 owners told NHTSA about the 2018 Lexus Nx300

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (21)Crash / fire / injury (2)Fuel system (10)Engine (4)Brakes (3)Body & structure (2)Speed control (2)Steering (2)Visibility & wipers (2)Airbags (1)Driver assistance (1)Electrical system (1)

1 of 21 complaints match · Brakes · crash/fire/injury only · clear filters

May 4, 2022BrakesCrash1 injury

The contact owns a 2018 Lexus NX. The contact stated while coasting into the home driveway at 5 MPH without foot-on acceleration, the vehicle automatically accelerated at high speed into the garage. The contact tried to use the brake pedal to stop; however, the brakes were inoperative. The contact had to shift the gear into the park for it to completely stop. The vehicle crashed into his garage and basketball hoop. The entire front of the vehicle was damaged. The RPM was still running high to 7500 after shifting to park in order to bring the vehicle to a stop. The pre-collision system feature did not engage. The vehicle was not diagnosed yet or repaired, The contact had minor pain in the left shoulder; no medical treatments. The manufacturer has not been notified of the failure. The approximate failure mileage was 40,000

NHTSA ODI 11463405

Working with the data? Download all 21 complaints as CSV · fetched from NHTSA July 20, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2018 Lexus Nx300 verdict →