There are 2 owner-reported brakes complaints for the 2017 Infiniti QX50in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
12/12/2017 - DRIVING ON A COUNTY SIDE STREET EAST BOUND, HAD JUST LEFT A 20 MPH SCHOOL ZONE AND ACCELERATED SLIGHTLY. APPLIED BRAKES VERY HARD AT APP 40 MPH WHEN CAR 100 FT. AHEAD STOPPED SUDDENLY. THE VEHICLE DID NOT SLOW DOWN MUCH AT ALL AND A CRASH RESULTED, CAUSING DAMAGE TO BOTH VEHICLES. AIR BAGS DEPLOYED. THE PAVEMENT WAS DRY BUT THERE WERE NO TIRE MARKS ON THE ROAD. VEHICLE HAS NOT BEEN DRIVEN SINCE AND IS IN REPAIR SHOP.
TL* THE CONTACT OWNS A 2017 INFINITY QX50. WHILE DRIVING APPROXIMATELY 45 MPH AND ATTEMPTING TO STOP, THE VEHICLE DID NOT IMMEDIATELY STOP WHEN DEPRESSING THE BRAKE PEDAL. AS A RESULT, A CRASH ALMOST OCCURRED. THE CONTACT INDICATED THAT THE FAILURE OCCURRED ON MULTIPLE OCCASIONS. THE VEHICLE WAS TAKEN TO RAMSEY INFINITI IN RAMSEY, NEW JERSEY, BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 2,500.
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 25, 2026