Mazda 6 MPG & Fuel Economy

The 2021 Mazda 6 gets up to 32 MPG combined (28 city / 38 highway) in EPA testing.

Latest model year (2021):

The Mazda 6 gets up to 29 MPG combined (26 city / 35 highway) in the Auto (S6), 4 cyl, 2.5 L trim.

Verifiedfueleconomy.gov · Verified August 9, 2026

Mazda 6 MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2021Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline233126
2021Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline263529
2020Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline233126
2020Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline263529
2019Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline263529
2019Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline233126
2019Man 6-spd, 4 cyl, 2.5 L4 2.5LRegular Gasoline243327
2018Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline233126
2018Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline263529
2018Man 6-spd, 4 cyl, 2.5 L4 2.5LRegular Gasoline243327
2017Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline263529
2017Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline273530
2017Man 6-spd, 4 cyl, 2.5 L4 2.5LRegular Gasoline243428
2016Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline283832
2016Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline263730
2016Man 6-spd, 4 cyl, 2.5 L4 2.5LRegular Gasoline253629
2015Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline263730
2015Auto (S6), 4 cyl, 2.5 L4 2.5LRegular Gasoline283932
2015Man 6-spd, 4 cyl, 2.5 L4 2.5LRegular Gasoline253529

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Mazda 6 MPG FAQ

What is the MPG of the Mazda 6?

The Mazda 6 gets up to 32 MPG combined (28 city / 38 highway) in the 2021 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Mazda 6 trim has the best fuel economy?

The Auto (S6), 4 cyl, 2.5 L trim offers the best combined fuel economy at 32 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

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