Mazda CX-9 MPG by Year

EPA rates the best gas CX-9 of each model year at 18 to 24 mpg combined.

Every year from 2010 to 2023 is below, with city and highway ratings and EPA's yearly cost to run each version.

Data: US EPA, fueleconomy.govUpdated Sep 30, 2026

Every CX-9 model year

Newest first. Each cell is the best-rated version of that kind that year, with its city and highway ratings and EPA's yearly cost to run it. Open a year for every version.

Model year	Best gas
2023 CX-9	23 mpg 20 city / 26 hwy $2,900 a year
2022 CX-9	23 mpg 20 city / 26 hwy $2,900 a year
2021 CX-9	24 mpg 22 city / 28 hwy $2,800 a year
2020 CX-9	24 mpg 22 city / 28 hwy $2,800 a year
2019 CX-9	24 mpg 22 city / 28 hwy $2,800 a year
2018 CX-9	24 mpg 22 city / 28 hwy $2,800 a year
2017 CX-9	24 mpg 22 city / 28 hwy $2,800 a year
2016 CX-9	24 mpg 22 city / 28 hwy $2,800 a year
2015 CX-9	19 mpg 16 city / 22 hwy $3,550 a year
2014 CX-9	19 mpg 16 city / 22 hwy $3,550 a year
2013 CX-9	19 mpg 16 city / 22 hwy $3,550 a year
2012 CX-9	19 mpg 16 city / 22 hwy $3,550 a year
2011 CX-9	19 mpg 16 city / 22 hwy $3,550 a year
2010 CX-9	18 mpg 16 city / 22 hwy $3,700 a year

When the best ratings changed

Each year against the model year before it. Years not listed kept the same best ratings.

2011 Gas up 1 mpg to 19
2016 Gas up 5 mpg to 24
2022 Gas down 1 mpg to 23

Mazda CX-9 best combined rating by model year

The best-rated gas version of each model year, from EPA.

2023: gas 23 mpg

Show as a table

Mazda CX-9 best combined mpg by model year
Model year	Best gas version
2010	18
2011	19
2012	19
2013	19
2014	19
2015	19
2016	24
2017	24
2018	24
2019	24
2020	24
2021	24
2022	23
2023	23

CX-9 recalls and problems by year

Questions

Which Mazda CX-9 year has the best MPG?

By EPA's ratings, the best gas CX-9 gets 24 mpg combined (2016 to 2021).

How much does a year of fuel cost for a Mazda CX-9?

At EPA's current prices and 15,000 miles a year, the best gas version costs $2,800 (2016 to 2021) to $3,700 (2010). Each year's page has the cost of every version.

Sources and method

US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 29, 2026.
EPA fuel price assumptions: regular $4.47, midgrade $5.07, premium $5.48, diesel $6.38 a gallon; electricity $0.15 per kWh. The yearly cost is EPA's estimate for 15,000 miles, 55% of them in the city; a plug-in hybrid's assumes EPA's typical mix of charging and gas.

Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.