Mazda 6: MPG and fuel economy by year
The EPA has rated the Mazda 6 across 19 model years, from the 2003 Mazda 6 through the 2021 Mazda 6. The most recent 2021 Mazda 6 returns 29 combined MPG. The most efficient model year was the 2016 Mazda 6 at 32 MPG.
Pick a year below to open the full Mazda 6 page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Mazda 6. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2021 | 2021 Mazda 6 | 29 MPG | 26 MPG | 35 MPG | $2,050 |
| 2020 | 2020 Mazda 6 | 29 MPG | 26 MPG | 35 MPG | $2,050 |
| 2019 | 2019 Mazda 6 | 29 MPG | 26 MPG | 35 MPG | $2,050 |
| 2018 | 2018 Mazda 6 | 29 MPG | 26 MPG | 35 MPG | $2,050 |
| 2017 | 2017 Mazda 6 | 30 MPG | 27 MPG | 35 MPG | $2,000 |
| 2016 | 2016 Mazda 6 | 32 MPG | 28 MPG | 38 MPG | $1,850 |
| 2015 | 2015 Mazda 6 | 32 MPG | 28 MPG | 39 MPG | $1,850 |
| 2014 | 2014 Mazda 6 | 32 MPG | 28 MPG | 39 MPG | $1,850 |
| 2013 | 2013 Mazda 6 | 24 MPG | 21 MPG | 30 MPG | $2,500 |
| 2012 | 2012 Mazda 6 | 25 MPG | 22 MPG | 30 MPG | $2,400 |
| 2011 | 2011 Mazda 6 | 25 MPG | 22 MPG | 30 MPG | $2,400 |
| 2010 | 2010 Mazda 6 | 24 MPG | 21 MPG | 30 MPG | $2,500 |
| 2009 | 2009 Mazda 6 | 24 MPG | 21 MPG | 30 MPG | $2,500 |
| 2008 | 2008 Mazda 6 | 24 MPG | 21 MPG | 29 MPG | $2,500 |
| 2007 | 2007 Mazda 6 | 24 MPG | 21 MPG | 29 MPG | $2,500 |
| 2006 | 2006 Mazda 6 | 24 MPG | 21 MPG | 29 MPG | $2,500 |
| 2005 | 2005 Mazda 6 | 23 MPG | 21 MPG | 28 MPG | $2,600 |
| 2004 | 2004 Mazda 6 | 24 MPG | 21 MPG | 29 MPG | $2,500 |
| 2003 | 2003 Mazda 6 | 24 MPG | 22 MPG | 29 MPG | $2,500 |
How the Mazda 6 compares against the Midsize Cars class
Buyers usually compare the Mazda 6 against other cars in the same EPA class. The list below shows the most efficient cars in the Midsize Cars class for the 2021 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.