Gallonly
2019 Infiniti QX50
Shown: 2019 Infiniti QX50. Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Small SUVs
  • MY2014–2025

Infiniti QX50 MPG & Fuel Cost by Year

11 model years · 2014–2025

26 MPG
Combined
23 MPG
City
29 MPG
Highway
Annual cost · MY2025 QX50 2.0L 4-cyl turbo FWD
$3,090

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

All Infiniti models

Infiniti QX50 fuel economy at a glance

EPA has rated the Infiniti QX50 for 11 model years, 2014 to 2025. Across those years its combined rating runs 20–27 MPG. The latest model year, 2025, has 2 configurations rated 25–26 MPG combined and costing $3,090–$3,210 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2014 is the 2019 QX50 2.0L 4-cyl turbo FWD, at 27 MPG.

Infiniti QX50 MPG by year

2022242628 201420192025 Gas 2022242628 201420192025 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Infiniti QX50: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2019-2025 Generation page
2025 25–26 $3,090–$3,210
2024 25–26 $3,090–$3,210
2023 25–26 $3,090–$3,210
2022 25–26 $3,090–$3,170
2021 25–26 $3,080–$3,180
2020 25–26 $3,070–$3,200
2019 26–27 $3,030–$3,070
2014-2017 Generation page
2017 20 $4,030–$4,090
2016 20 $4,030–$4,090
2015 20 $3,960–$4,050
2014 20 $3,970–$4,040

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Infiniti QX50 generations

2 generations between 2014 and 2025. Open one for the table of every model year and configuration.

2025 powertrain options

Gas · 2.0L
Combined
25–26 MPG
Per year
$3,090–$3,210
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · premium gasoline $5.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Infiniti QX50's gas mileage by year?

EPA combined ratings for the Infiniti QX50 run 20–27 MPG across model years 2014 to 2025. The latest year, 2025, is rated 25–26 MPG.

Which Infiniti QX50 model year has the best gas mileage?

The 2019 Infiniti QX50 QX50 2.0L 4-cyl turbo FWD has the highest combined rating since 2014, at 27 MPG.

How much does a Infiniti QX50 cost to fuel per year?

For MY2025, EPA-rated configurations cost $3,090–$3,210 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $3,090.

Has the Infiniti QX50's fuel economy improved over time?

Yes. The most efficient configuration moved from 20 MPG in 2014 to 26 MPG in 2025, 6 MPG more.

Which Infiniti QX50 model years have the same ratings?

EPA lists identical ratings as the previous year for 2024, 2025. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.

How many generations of the Infiniti QX50 are there?

EPA data covers 2 generations of the Infiniti QX50: 2019-2025, 2014-2017. Each has its own page with a table for every model year.