There are 3 owner-reported speed control & cruise complaints for the 2016 Infiniti QX50in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I was driving and came to a red light behind other cars. I was completely stopped with brakes applied and vehicle suddenly lurched forward, RPM’s reved up over 3,000 without me accelerating. I was about two blocks from home and was able to make it by slowly driving and jerking all the way. Mechanic codes were 720 output speed sensor. Very alarming situation! I could have easily hit the car in front of me if I would have been any closer, or worst yet a pedestrian! Appears to be critical safety issue and something that may need to be recalled.
THERE IS SOMETHING WRONG WITH EITHER THE ACCELERATION, ELECTRICAL OR THROTTLE. WHILE PARKING THE VEHICLE AND APPLYING THE BREAKS, THE VEHICLE SPEED FORWARD AT HIGH SPEED AND WOULD NOT STOP EVEN WITH APPLYING THE BREAKS. IT CRASHED ME AND MY DAUGHTER INTO A BRICK BUILDING AT HIGH SPEED. THE WITNESS SAID HE HAD NEVER SEEN ANYTHING LIKE IT BEFORE AND HE WAS A MECHANIC AND AUTO BODY SPECIALIST. HE SAID WE WENT FROM ALMOST IN THE STOP POSITION TO HIGH SPEED LIKE A CRASH TEST DUMMY VEHICLE. THIS ALL OCCURRED IN A SMALL PARKING LOT IN THE CITY. THE INSURANCE COMPANY DEEMED IT A TOTAL LOSS BECAUSE THE DAMAGES WERE OVER 85% OF THE CARS VALUE. THE WITNESS AND URGENT CARE FACILITY SAID WE ARE LUCKY TO BE ALIVE. I TOOK THE VEHICLE TO THE DEALERSHIP IN FEBRUARY OR MARCH 2020 REGARDING THE VEHICLES ACCELERATION. THE SERVICE REP I WORKED WITH WAS CONDESCENDING AND TRIED TO MAKE ME THINK IT WAS ALL IN MY HEAD AND TOLD ME THERE WAS NOTHING WRONG WITH THE VEHICLE. HE DROVE IT AROUND A FEW BLOCKS WITH ME IN IT AND SAID THERE WAS NOTHING WRONG. I KEPT TELLING HIM THERE IS SOMETHING WRONG BECAUSE IT WOULD EITHER LOSE POWER OR JERK FORWARD OUT OF NOWHERE. THIS WAS A CPO VEHICLE SO I DID NOT EXPECT TO BE TAKING IT IN FOR SERVICE ONLY A COUPLE OF MONTHS AFTER PURCHASING IT. *TR
TL* THE CONTACT OWNS A 2016 INFINITI QX50. CONTACT STATED THAT WHILE TURNING INTO A PARKING FACILITY THE RPM REVVED UP WITHOUT WARNING. THE CONTACT SHIFTED THE VEHICLE INTO NEUTRAL AND THE VEHICLE RETURNED TO NORMAL OPERATION. THE VEHICLE WAS TAKEN TO GEORGE HARTE INFINITI LOCATED AT (1076 S. COLONY DRIVE, WALLINGFORD, CT 06492, (203) 495-6700) WHERE THE VEHICLE WAS TEST DRIVEN AND DIAGNOSED HOWEVER, THE TECHNICIAN WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE RECEIVED AN UNKNOWN REPAIR HOWEVER, THE FAILURE RECURRED INTERMITTENTLY. THE VEHICLE WAS SCHEDULED TO BE DIAGNOSED WHICH WAS STILL PENDING. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 26,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026