46 owner complaints filed with the United States safety regulator · top issue: Air Bags · verdict BUY 88/100
“The rear wheel which is Lexus OEM busted and lost air when driving on the highway at highway speed on June 23, 2026. This caused an immediate hazard and a dangerous loss of vehicle control. Fortunately, I was able to safely pull over, but this failure put my life and the lives of others at serious risk. The mileage is about 45,396. The vehicle was purchased from Freeport Lexus as a pre-owned on January 20, 2026. Th”NHTSA complaint, 2020 Lexus RX 450h owner
“The panoramic sunroof has a shade, which is not closing. This causes a lot of sunlight to enter the vehicle which might be harmful to your skin and causes headaches. The repair is very expensive and there is no other way around it. I seen many owners raising concerns about the same issue happening to them, on youtube, reddit, google and other websites. This is an issue on the same model from around 2017-2022. Th”NHTSA complaint, 2020 Lexus RX 450h owner
“While driving the engine stalls. It has jolted back-and-forth at times and had to be taken to a dealer. It’s still stalls when trying to slowly accelerate especially uphills. Low gas mileage barely getting 18 miles per gallon. Warning lights flickering while car stallling. It’s like it’s having a seizure. This has happened a few times.”NHTSA complaint, 2020 Lexus RX 450h owner
On the federal record it scores 88/100: 46 owner complaints (7.67 per year on the road) and 0 recall campaigns, 0 touching safety-critical systems.
The most-reported component in NHTSA complaints is Air Bags, with 21 of 45 categorised reports.
The 2020 Lexus RX 450h scored 88/100 on the federal record.