Pick a year below to open the full Infiniti QX50 page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Infiniti QX50. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year Model Combined MPG City Highway Annual fuel cost
2025 2025 Infiniti QX50 26 MPG 23 MPG 29 MPG $2,650
2024 2024 Infiniti QX50 26 MPG 23 MPG 29 MPG $2,650
2023 2023 Infiniti QX50 26 MPG 23 MPG 29 MPG $2,650
2022 2022 Infiniti QX50 26 MPG 23 MPG 29 MPG $2,650
2021 2021 Infiniti QX50 26 MPG 23 MPG 29 MPG $2,650
2020 2020 Infiniti QX50 26 MPG 23 MPG 29 MPG $2,650
2019 2019 Infiniti QX50 27 MPG 24 MPG 31 MPG $2,550
2017 2017 Infiniti QX50 20 MPG 17 MPG 24 MPG $3,450
2016 2016 Infiniti QX50 20 MPG 17 MPG 24 MPG $3,450
2015 2015 Infiniti QX50 20 MPG 17 MPG 25 MPG $3,450
2014 2014 Infiniti QX50 20 MPG 18 MPG 25 MPG $3,450

How the Infiniti QX50 compares against the Small Sport Utility Vehicle 2WD class

Buyers usually compare the Infiniti QX50 against other cars in the same EPA class. The list below shows the most efficient cars in the Small Sport Utility Vehicle 2WD class for the 2025 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.