There are 1 owner-reported fuel system complaints for the 2016 Infiniti QX50in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
FUEL GAUGE INACCURATE - WHEN FILLED IT SHOWS ABOUT 306 MILE RANGE, I.E. ABOUT 15.2 MPG FOR THE 20 GAL TANK. AFTER DRIVING FOR 20-30 MILES IT SHOWS 360 MILE RANGE WHICH IS MORE ACCURATE - WHETHER STATIONERY OR MOVING. THE FUEL ECONOMY INDICATOR SHOWS 18.8 MPG IN THIS EXAMPLE. ON THE FREEWAY THE INDICATOR MAY SHOW 21.0 MPG BUT THE SAME PROBLEM IS THERE.
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