- Gas
- Small SUVs
- MY2014–2025
Infiniti QX50 MPG & Fuel Cost by Year
11 model years · 2014–2025
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
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
| 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
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.