Mazda CX-9 MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Mazda CX-9 model year from 2007 to 2023 — each engine and transmission with its official city, highway and combined figures. Over these years the CX-9 has been offered with 2.5L 4-cyl, 3.7L 6-cyl, 3.5L 6-cyl engines; the most efficient version is the 2021 (up to 24 MPG combined). All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Mazda CX-9 fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2023 23 MPG 2.5L 4-cyl $27,652 317 listings
2022 23 MPG 2.5L 4-cyl $23,913 19 listings
2021 23–24 MPG 2.5L 4-cyl $22,490 20 listings
2020 23–24 MPG 2.5L 4-cyl $22,995 12 listings
2019 23–24 MPG 2.5L 4-cyl $19,500 32 listings
2018 23–24 MPG 2.5L 4-cyl $15,000 15 listings
2017 23–24 MPG 2.5L 4-cyl $17,450 20 listings
2016 23–24 MPG 2.5L 4-cyl $12,800 31 listings
2015 19 MPG 3.7L 6-cyl $9,999 19 listings
2014 19 MPG 3.7L 6-cyl — —
2013 19 MPG 3.7L 6-cyl — —
2012 19 MPG 3.7L 6-cyl — —
2011 19 MPG 3.7L 6-cyl — —
2010 17–18 MPG 3.7L 6-cyl — —
2009 17–18 MPG 3.7L 6-cyl — —
2008 17–18 MPG 3.7L 6-cyl — —
2007 17–18 MPG 3.5L 6-cyl — —

2023 Mazda CX-9: engines & MPG

The 2023 CX-9 was EPA-rated in 1 version (2.5L 4-cyl), with combined economy of 23 MPG. Used 2023 models currently list for a median of $27,652 on VehiSales (317 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 20 26 23 MPG

2022 Mazda CX-9: engines & MPG

The 2022 CX-9 was EPA-rated in 1 version (2.5L 4-cyl), with combined economy of 23 MPG. Used 2022 models currently list for a median of $23,913 on VehiSales (19 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 20 26 23 MPG

2021 Mazda CX-9: engines & MPG

The 2021 CX-9 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 23 to 24 MPG. Used 2021 models currently list for a median of $22,490 on VehiSales (20 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 2.5L 4-cyl Automatic (S6) Regular 22 28 24 MPG
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 20 26 23 MPG

2020 Mazda CX-9: engines & MPG

The 2020 CX-9 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 23 to 24 MPG. Used 2020 models currently list for a median of $22,995 on VehiSales (12 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 2.5L 4-cyl Automatic (S6) Regular 22 28 24 MPG
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 20 26 23 MPG

2019 Mazda CX-9: engines & MPG

The 2019 CX-9 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 23 to 24 MPG. Used 2019 models currently list for a median of $19,500 on VehiSales (32 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 2.5L 4-cyl Automatic (S6) Regular 22 28 24 MPG
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 20 26 23 MPG

2018 Mazda CX-9: engines & MPG

The 2018 CX-9 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 23 to 24 MPG. Used 2018 models currently list for a median of $15,000 on VehiSales (15 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 2.5L 4-cyl Automatic (S6) Regular 22 28 24 MPG
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 20 26 23 MPG

2017 Mazda CX-9: engines & MPG

The 2017 CX-9 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 23 to 24 MPG. Used 2017 models currently list for a median of $17,450 on VehiSales (20 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 2.5L 4-cyl Automatic (S6) Regular 22 28 24 MPG
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 20 26 23 MPG

2016 Mazda CX-9: engines & MPG

The 2016 CX-9 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 23 to 24 MPG. Used 2016 models currently list for a median of $12,800 on VehiSales (31 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 2.5L 4-cyl Automatic (S6) Regular 22 28 24 MPG
CX-9 4WD 2.5L 4-cyl Automatic (S6) Regular 21 26 23 MPG

2015 Mazda CX-9: engines & MPG

The 2015 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy of 19 MPG. Used 2015 models currently list for a median of $9,999 on VehiSales (19 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 16 22 19 MPG
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 17 24 19 MPG

2014 Mazda CX-9: engines & MPG

The 2014 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 16 22 19 MPG
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 17 24 19 MPG

2013 Mazda CX-9: engines & MPG

The 2013 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 17 24 19 MPG
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 16 22 19 MPG

2012 Mazda CX-9: engines & MPG

The 2012 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 16 22 19 MPG
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 17 24 19 MPG

2011 Mazda CX-9: engines & MPG

The 2011 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy of 19 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 16 22 19 MPG
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 17 24 19 MPG

2010 Mazda CX-9: engines & MPG

The 2010 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy from 17 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 16 22 18 MPG
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 15 21 17 MPG

2009 Mazda CX-9: engines & MPG

The 2009 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy from 17 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 16 22 18 MPG
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 15 21 17 MPG

2008 Mazda CX-9: engines & MPG

The 2008 CX-9 was EPA-rated in 2 versions (3.7L 6-cyl), with combined economy from 17 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 3.7L 6-cyl Automatic (S6) Regular 16 22 18 MPG
CX-9 4WD 3.7L 6-cyl Automatic (S6) Regular 15 21 17 MPG

2007 Mazda CX-9: engines & MPG

The 2007 CX-9 was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy from 17 to 18 MPG.

VersionEngineTransmissionFuelCityHwyCombined
CX-9 2WD 3.5L 6-cyl Automatic (S6) Regular 16 22 18 MPG
CX-9 4WD 3.5L 6-cyl Automatic (S6) Regular 15 21 17 MPG

Frequently asked questions

What MPG does a Mazda CX-9 get?

Depending on year and engine, EPA combined ratings for the CX-9 range from 18 to 24 MPG. The most efficient rated version is the 2021 model year.

What engines does the 2023 Mazda CX-9 have?

The 2023 CX-9 was EPA-rated with 2.5L 4-cyl engines — see the 2023 table above for each version's exact city/highway figures.

Does the Mazda CX-9 require premium gas?

No — rated versions run on regular gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Mazda CX-9 EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/mazda/cx-9.

See also: Mazda CX-9 hub — live listings, prices & reliability · Used Mazda CX-9 prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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