2020 Infiniti QX50 problems and complaints

Owners have filed 32 complaints with NHTSA about the 2020 Infiniti QX50. The most-reported areas: Engine (17), Forward Collision Avoidance (7), Power Train (4).

Key takeaways

  • 32 owner complaints on file with NHTSA.
  • 0 involve a crash, 0 a fire, 0 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine1753%
Forward Collision Avoidance722%
Power Train413%
Engine And Engine Cooling413%
Electrical System413%
Unknown Or Other39%
Service Brakes26%
Vehicle Speed Control13%
Lane Departure13%
Back Over Prevention13%
Fuel/Propulsion System13%

One complaint can name several components, so shares add up to more than 100%.

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2020 Infiniti QX50 SUV AWD5/55/55/54/5
2020 Infiniti QX50 SUV FWD5/55/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Engine - filed 2026-09-02

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 t...

Engine - filed 2026-09-02

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 ...

Power Train,engine - filed 2026-02-19

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...

Diagnose it yourself

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

More for the 2020 Infiniti QX50

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.