2015 Infiniti Q50 problems and complaints

Owners have filed 126 complaints with NHTSA about the 2015 Infiniti Q50. The most-reported areas: Power Train (39), Steering (28), Vehicle Speed Control (21).

Key takeaways

  • 126 owner complaints on file with NHTSA.
  • 16 involve a crash, 2 a fire, 10 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Power Train3931%
Steering2822%
Vehicle Speed Control2117%
Air Bags1915%
Unknown Or Other1814%
Electrical System1713%
Service Brakes1210%
Engine97%
Seat Belts32%
Seats32%
Fuel/Propulsion System32%
Exterior Lighting32%

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

NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2015 Infiniti Q50 4 DR AWD5/54/55/55/5
2015 Infiniti Q50 4 DR RWD5/54/55/55/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Visibility - filed 2026-09-14

I was parked in my garage getting ready to start my car and the glass in my moonroof spontaneously shattered. There was no object that hit it because I was in my garage. It sounded like a gunshot. The glass flew upward and the glass looks like it shattered into a little volcano on the edges.

Power Train,unknown Or Other - filed 2026-08-12

While operating the vehicle, the transmission suffered an abrupt failure resulting in Diagnostic Trouble Code (DTC) P0720 (Output Speed Sensor Circuit). Further diagnostic inspection revealed a complete internal failure of the integrated valve body assembly, which houses the Transmission Control Module (TCM), solenoid...

Steering - filed 2026-07-27

After starting the car the steering wheel jumps off center and the steering is all over the place. have to start the car again and the steering wheel jumps the other direction. I strongly suggest this is exactly what the June 13, 2016 NHTSA campaign number 16V43000 the software may reduce steering ability and increase ...

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More for the 2015 Infiniti Q50

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.