Home · 2018 Lexus Nx300h · Complaints

What 19 owners told NHTSA about the 2018 Lexus Nx300h

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 (19)Crash / fire / injury (2)Fuel system (8)Brakes (4)Engine (4)Electrical system (3)Steering (2)Body & structure (1)Driver assistance (1)Speed control (1)Visibility & wipers (1)

2 of 19 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

May 25, 2018BrakesCrash

I WAS PARK AT STOP SIGN ON A CITY STREET WITH MY FOOT ON THE BRAKES NEXT THING I KNEW I WAS HITTING ANOTHER VEHICLE MY BRAKES UNINTENDED ACCELERATED AND MY BRAKES FAILED. I COULD NOT STOP THIS CAR FOR 2 BLOCKS, I TRIED TO PLACE IT IN PARK, AND ALSO TURN THE CAR OFF, THE CAR WOULD NOT STOP. I KEPT MY FOOT ON THE BRAKES BUT IT JUST ACCELERATED. I REPORTED IT TO LEXUS AND ACCORDING TO LEXUS AN INDEPENDENT ANALYSIS WOULD COME OUT AND INSPECT MY VEHICLE. THE VEHICLE SET ON LEXUS CAR LOT FOR A MONTH AND THE WAS INSPECTED AND A MONTH LATER LEXUS NOTIFIED ME INFORMING ME THAT MY BRAKES SHOWED NO EVIDENCE OF FAILING, WELL EITHER I AM LYING OR LEXUS IS LYING, OR THERE IS A UNDERLYING PROBLEM WITH THE BRAKES THAT LEXUS WAS UNABLE TO DETECT ARE CHOOSE NOT TO ADMIT BECAUSE THE MILLIONS OF DOLLARS A RECALL CAN COST, ITS IN LEXUS BEST INTEREST TO DENY MY CLAIM AND WAIT FOR MULTIPLE OF THEIR CUSTOMERS TO LOOSE THEIR LIVES BEFORE THE COMPANY ADMIT THAT THERE IS A PROBLEM. I HAD NO INJURIES AND CAR I HIT REC'D NO INJURIES, I WAS JUST SO EMOTIONAL DISTRAUGHT THAT I HAVEN DRIVEN IN 3 MONTHS

NHTSA ODI 11098011

Working with the data? Download all 19 complaints as CSV · fetched from NHTSA July 21, 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 Nx300h verdict →