There are 2 owner-reported engine complaints for the 2019 Lexus RXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Car stalled after 100+ miles driving. When gas pressed, the car thump/hump and irregular acceleration. Engine light on trac off. Stop car, engine off. Restart and can not accelerate (engine hump/thump/shake). Stop, rest, turn off AC/all other electronic, restart, very irregular acceleration, was able to drive with slow acceleration. Once past 25 mph, slow acceleration, no stall. Around 25 mph, car stalling. 2nd time into shop with same issue. 1st time Lexus indicated O-ring placed in reverse. New 2019 Lexus Rx350L with less than 4000 miles. 3rd time into shop. Local driving no issue.
Vehicle stumbles and loses power when accelerating. Loss of power when passing. Both situations caused driver to abort action for fear of not having the power to enter the roadway or pass vehicles. Lexus dealership acknowledged the problem with this vehicle and said the fuel pump was replaced because of a recall. Problem continues to exist and is dangerous to driver and others. Dealer further recommended we “ change our driving habits “ to remediate the problem. Not acceptable.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026