- Gas
- Small SUVs
- MY2007–2023
Mazda CX-9 MPG & Fuel Cost by Year
17 model years · 2007–2023
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Mazda CX-9 fuel economy at a glance
EPA has rated the Mazda CX-9 for 17 model years, 2007 to 2023. Across those years its combined rating runs 17–24 MPG. The latest model year, 2023, has 1 configuration rated 23 MPG combined and costing $2,900 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2007 is the 2021 CX-9 2.5L 4-cyl turbo FWD, at 24 MPG.
Mazda CX-9 MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2016-2023 (TC) Generation page | ||
| 2023 | 23 | $2,900 |
| 2022 | 23 | $2,890 |
| 2021 | 23–24 | $2,680–$2,890 |
| 2020 | 23–24 | $2,680–$2,890 |
| 2019 | 23–24 | $2,680–$2,890 |
| 2018 | 23–24 | $2,680–$2,890 |
| 2017 | 23–24 | $2,670–$2,880 |
| 2016 | 23–24 | $2,670–$2,830 |
| 2007-2015 (TB) Generation page | ||
| 2015 | 19 | $3,360–$3,530 |
| 2014 | 19 | $3,360–$3,530 |
| 2013 | 19 | $3,360–$3,530 |
| 2012 | 19 | $3,360–$3,530 |
| 2011 | 19 | $3,370–$3,530 |
| 2010 | 17–18 | $3,630–$3,840 |
| 2009 | 17–18 | $3,630–$3,840 |
| 2008 | 17–18 | $3,630–$3,840 |
| 2007 | 17–18 | $3,630–$3,840 |
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.
Mazda CX-9 generations
2 generations between 2007 and 2023. Open one for the table of every model year and configuration.
2023 powertrain options
Frequently asked questions
What is the Mazda CX-9's gas mileage by year?
EPA combined ratings for the Mazda CX-9 run 17–24 MPG across model years 2007 to 2023. The latest year, 2023, is rated 23 MPG.
Which Mazda CX-9 model year has the best gas mileage?
The 2021 Mazda CX-9 CX-9 2.5L 4-cyl turbo FWD has the highest combined rating since 2007, at 24 MPG.
How much does a Mazda CX-9 cost to fuel per year?
For MY2023, EPA-rated configurations cost $2,900 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,900.
Has the Mazda CX-9's fuel economy improved over time?
Yes. The most efficient configuration moved from 18 MPG in 2007 to 23 MPG in 2023, 5 MPG more.
Which Mazda CX-9 model years have the same ratings?
EPA lists identical ratings as the previous year for 2009, 2015. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.