2019 Infiniti QX50 problems and complaints

Owners have filed 145 complaints with NHTSA about the 2019 Infiniti QX50. The most-reported areas: Engine (57), Engine And Engine Cooling (32), Unknown Or Other (20).

Key takeaways

  • 145 owner complaints on file with NHTSA.
  • 5 involve a crash, 1 a fire, 3 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Engine5739%
Engine And Engine Cooling3222%
Unknown Or Other2014%
Power Train1712%
Electrical System1712%
Forward Collision Avoidance1712%
Service Brakes118%
Vehicle Speed Control75%
Seats53%
Fuel/Propulsion System53%
Structure32%
Steering32%

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

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2019 Infiniti QX50 SUV FWD5/55/55/54/5
2019 Infiniti QX50 SUV AWD5/55/55/54/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Power Train,engine - filed 2026-10-13

On October 11, 2026, while driving my 2019 Infiniti QX50, I experienced a sudden loss of engine power. The check-engine light began flashing, the engine started shaking and making a knocking noise, and the vehicle would not accelerate beyond approximately 20 mph despite pressing the accelerator. This unexpected loss of...

Unknown Or Other - filed 2026-10-12

While driving on the highway, all of a sudden I heard a very loud boom and then heard some wind/air movement. The sunroom shade was closed but when i pulled over and got out, the sunroof was shattered and the sunroom framing was coming off the car. The glass that fell into the car was caught by the sunroof shade but th...

Power Train,engine - filed 2026-10-11

While driving my 2019 Infiniti QX50, the engine suddenly lost significant power and entered failsafe (limp) mode due to a diagnosed VCR actuator fault (diagnostic codes P11A8-00 and P11AC-00). The sudden power loss caused a single-vehicle accident. No injuries. The vehicle had recall 25V437 service performed at Infinit...

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More for the 2019 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.