Gallonly
2017 Mazda CX-9 Grand Touring AWD (TC)
Shown: 2017 Mazda CX-9 Grand Touring AWD (TC). Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Small SUVs
  • MY2007–2023

Mazda CX-9 MPG & Fuel Cost by Year

17 model years · 2007–2023

23 MPG
Combined
20 MPG
City
26 MPG
Highway
Annual cost · MY2023 CX-9 2.5L 4-cyl turbo 4WD
$2,900

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

All Mazda models

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

1618202224 200720162023 Gas 1618202224 200720162023 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Mazda CX-9: combined fuel economy and annual fuel cost for each model year, grouped by generation
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

Gas · 2.5L
Combined
23 MPG
Per year
$2,900
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

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.

How many generations of the Mazda CX-9 are there?

EPA data covers 2 generations of the Mazda CX-9: 2016-2023, 2007-2015. Each has its own page with a table for every model year.