2020 Infiniti QX50 owner complaints
33 complaints filed with NHTSA, including 0 crashes, 0 fires, 0 injuries and 0 deaths.
Problems by component
Forward Collision Avoidance7 Engine and Engine Cooling4 Recent complaints
September 29, 2026Engine
We received the federal recall information and took the vehicle to the nearest Infiniti dealer (96 miles away) on 9/2/26. Diagnostics were performed and were told that the car "passed" the inspection. Two days later, the engine demonstrated complete failure. We had to have the vehicle towed to a Nissan dealer in our town (no Infiniti here) on 9/11/26. According to this report, " Based on the testing and findings, this no start condition relates engine mechanical issue, possible low compression from cylinders. Recent service history shows engine bearing inspection has been performed, and and engine ass'y has Infinity extended warranty". Due to the warnings of "catastrophic engine failure" per
September 2, 2026Engine
Engine lost all power and car seemed to be locked in low gear while attempting to drive down the road. Took the car to Infiniti dealership which said there was a recall and they inspected the vehicle. Mechanic inspected the vehicle and said it fit all requirements to be replaced by engine recall. Infiniti is refusing to replace engine stating it does not meet recall requirements.
September 2, 2026Engine
The contact owns a 2020 Infiniti QX50. The contact stated that while driving 75 MPH, the check engine warning light illuminated, and the RPM became elevated. The vehicle was taken to the dealer, where an unknown recall repair was performed. The contact stated that the engine was replaced. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer where the contact was informed that the failure was associated with the computer system which was not recalibrated after the engine replacement. The vehicle was repaired, but the failure reoccurred. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated and the me
February 19, 2026Power TrainEngine
I am a [XXX] woman who purchased my first vehicle on December 6, 2024, with 43,000 miles. I have driven fewer than 20,000 miles since purchase, and the vehicle currently has approximately 62,000 miles. Until January 19, 2026, I experienced no issues. I have properly maintained the vehicle and followed all recommended service guidelines. I completed three oil changes during my ownership, averaging approximately every 8,500 miles. Two oil changes were performed by a licensed mechanic, and the most recent oil change and inspection were completed on November 29, 2025 at Legend Infiniti. I have receipts for all services. On January 19, 2026, while driving approximately 65 mph on a four-lane highw
February 5, 2026Engine and Engine Cooling
The contact owns a 2020 Infiniti QX50. The contact stated that the vehicle was repaired under NHTSA Campaign: 25V437000 (Engine and Engine Cooling) however, other failures occurred. The contact stated that after the vehicle was dropped off by the local dealer, the front passenger’s side tire deflated. The vehicle was taken to a local dealer, where it was repaired. The contact stated that the underbody shield of the engine guard had detached, allowing road debris to enter the hood. In addition, the contact stated that while attempting to start the vehicle, the vehicle failed to start as intended, with a rattling sound coming from the engine. The vehicle was towed to a local dealer, where the