Home · 2020 Lexus GX 460 · Complaints

What 4 owners told NHTSA about the 2020 Lexus GX 460

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 (4)Crash / fire / injury (1)Backup camera & sensors (1)Brakes (1)Driver assistance (1)Visibility & wipers (1)

Newest first · 4 complaints

Feb 5, 2026

Sunroof exploded outward while driving and closed

NHTSA ODI 11716002

Feb 18, 2025Visibility & wipers

The contact owns a 2020 Lexus GX460. The contact stated upon starting the vehicle and driving for 10-15 minutes, the windshield and the windows became significantly foggy, requiring the contact to remove the seat belt to lean forward and wipe the windshield to pull over safely. Additionally, the contact wiped all the windows and resumed driving. The contact stated the failure had been recurring while driving. The vehicle was taken to the dealer, where it was diagnosed with an HVAC blend door actuator failure. The vehicle was being repaired. The manufacturer was notified of the failure and a case was filed. The failure mileage was approximately 80,000.

NHTSA ODI 11643402

Dec 24, 2023Brakes

With brake pedal all the way to the floor, vehicle rolls from stopped position. Brake fluid is not low and no brake fluid leak is apparent. No warning lights illuminated.

NHTSA ODI 11561725

Feb 19, 2021Backup camera & sensorsDriver assistanceCrash

AS I WAS PARKING IN FRONT OF MY WORKPLACE, MY CAR SUDDENLY ACCELERATED AND FLEW OVER PARKING DIVIDER TO OTHER SIDE OF THE PARKING LOT ABOUT 25 YARDS. AT THE TIME I WAS PULLING IN MY PARKING SLOT LIKE EVERY DAY IN THE MORNING, TURNING 90 DEGREES AND DRIVING VERY SLOW, AND SLOWING DOWN TO COMPLETE MY PARKING. MY CAR HIT AND FLEW OVER PARKING SIGN AND OTHER OBSTACLES PLACED ON CURBSIDE DIVIDER. I LET MY CAR TO BE TOWED TO THE DEALERSHIP AND IMMEDIATELY REPORTED MY SAFETY CONCERNS TO THE LEXUS HEADQUARTERS THEY ARE CURRENTLY INVESTIGATING THE ISSUE. I HAVE SIGNED AND SUBMITTED CONSENT FOR THOROUGH INSPECTION OF ELECTRONIC SYSTEM TO LEXUS CORP., WHICH I'M UPLOADING FOR YOUR INFORMATION.

NHTSA ODI 11396976

Working with the data? Download all 4 complaints as CSV · fetched from NHTSA July 14, 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 2020 Lexus GX 460 verdict →