Home · 2020 Lexus Nx300 · Complaints

What 23 owners told NHTSA about the 2020 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 (23)Crash / fire / injury (2)Engine (7)Fuel system (6)Speed control (3)Visibility & wipers (3)Transmission & drivetrain (2)Body & structure (1)Driver assistance (1)Electrical system (1)Seat belts (1)Steering (1)

3 of 23 complaints match · Speed control · clear filters

Aug 17, 2023Speed control

The contact owns a 2020 Lexus NX. The contact stated that while driving 65 MPH, the vehicle failed to properly accelerate while depressing the accelerator pedal. The vehicle was towed to the dealer. The dealer could not diagnose the failure. The failure reoccurred. The vehicle was towed back to the dealer. The dealer diagnosed the vehicle and determined that the ignition coils needed to be replaced. The vehicle had not been repaired by the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 38,880. The VIN was unavailable.

NHTSA ODI 11539128

Jul 25, 2022SteeringSpeed controlCrash2 injuries

The contact owns a 2020 Lexus NX. The contact stated while driving approximately 35 MPH and attempting to make a turn, the steering wheel was difficult to operate. There was no warning light illuminated. On another occasion, the steering wheel veered to the left and right. In addition, there was a sudden unintended acceleration. The brake pedal was depressed but the vehicle did not reduce in speed. The contact crashed into a side tree, columns, and a divider in order to stop the vehicle. All of the air bags did deploy as intended. There was smoke that caused the contact and his wife to have difficulty breathing. The vehicle was towed to the dealer; however, was not diagnosed or repaired. The vehicle was then towed to the contact's residence. The vehicle system automatically contacted emergency. The police and fire and paramedics arrived on the scene. There was a police report filed. The contact and his wife were unconscious. The police cut the seat belt to pull the contact out safely; however, the wife released herself. The wife injured her left knee; while the contact was injured with bruises and smoke inhalation. The paramedics transported the contact and wife to the hospital. They both received medical treatments and x-ray, then were admitted to the hospital for an overnight stay. The manufacturer was notified of the failure. The approximate failure mileage was 65,00.

NHTSA ODI 11475792

Apr 14, 2021Speed controlDriver assistance

FEATURE ACC: CONTROLS ACCELERATION AND/OR BRAKING TO MAINTAIN A PRESCRIBED DISTANCE BETWEEN THE VEHICLE AND ANOTHER ONE IN FRONT. MAY BE ABLE TO COME TO A STOP AND CONTINUE. SAFETY ISSUE: THE BRAKE LIGHTS DO NOT COME ON ESPECIALLY WHEN COMING TO A COMPLETE STOP IN TRAFFIC. VEHICLES FOLLOWING MY CAR ARE UNAWARE MY VEHICLE IS COMING TO A COMPLETE STOP, AND MAY REAR END MY VEHICLE. I REPORTED THE ISSUE TO LEXUS TOO.

NHTSA ODI 11408083

Working with the data? Download all 23 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 2020 Lexus Nx300 verdict →