There are 2 owner-reported engine complaints for the 2016 Infiniti QX80in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
RETURNING HOME FROM A TRIP TO BIRMINGHAM, AL ON SUNDAY APR 29TH, 2018 AND NOTICED THE AIR WAS NO LONGER COOLING IN THE CAR. MADE AN APPOINTMENT WITH INFINITI TO TAKE THE CAR IN TO BE CHECKED OUT ON MONDAY APR 30. UPON GETTING CAR CHECKED OUT WAS TOLD THAT A ROCK ALLEGEDLY WENT THROUGH THE GRILL, SOME HOW MISSED ALL THE OTHER COMPONENTS IN THE CAR AND HIT THE CONDENSER/COOLANT LINE AND CAUSED ALL THE FREON TO RUN OUT OF THE CAR. MIND YOU THE CAR HAS NOT BEEN IN ANY ACCIDENTS AND YOU CAN HEAR IF YOUR CAR IS IT BY A ROCK AND NONE OF THAT HAS HAPPENED. SOME FAMILY FRIENDS WITH THE SAME CAR HAD THE SAME ISSUE WITH THEIR CAR AND WAS TOLD IT WAS HIT BY A ROCK ALSO. HOW LIKELY IS THAT TO HAPPEN, NEED TO INVESTIGATE INFINITI FOR POOR COOLANT LINES AND CHARGING CUSTOMERS FOR ITEMS THAT SHOULD BE UNDER WARRANTY. WAS TOLD REPAIRS WILL COST $1200 AND CAR IS STILL UNDER WARRANTY WITH LESS THAN 21000 MILES. CALLED INFINITI TO COMPLAIN AS OTHERS HAVE AND WAS ONLY GIVEN A REFERENCE NUMBER AND TO WAIT FOR A CALLBACK. OTHERS HAVE BEEN MADE TO PAY FOR REPAIRS AND THIS IS HAPPENING WAY TOO OFTEN AND INFINITI NEEDS TO STEP UP AND OWN THEIR DEFECTIVE PART AND STOP PASSING THE EXPENSE ON TO CUSTOMERS. SHAME ON THEM. POOR CUSTOMER SERVICE AND CUSTOMER RELATIONS.
WHILE IN MOTION ON A HIGHWAY ON THE WAY TO OUR SUMMER VACATION, OUR BRAND NEW INFINITI QX80 STARTED SMOKING FROM UNDER THE HOOD AND THE AIR CONDITIONER WENT OUT. AFTER HAVING THE CAR TOWED BACK TO THE DEALERSHIP (AND GETTING A TAXI TO TAKE US TO A RENTAL CAR PLACE) WE WERE TOLD THAT THE VEHICLE HAD COME FROM THE FACTORY WITH AN OIL COOLER WATER HOSE THAT WAS 2 INCHES LONGER THAN STANDARD, CAUSING THE HOSE TO RUB AGAINST THE COOLING FAN BLADE AND SEVERING IT CAUSING ALL COOLANT TO LEAK. INFINITI WILL NOT REIMBURSE US FOR RENTAL CAR COSTS, DESPITE THE CAUSE BEING FACTORY DEFECT. *TR
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