Mazda 6 MPG by year
The EPA has rated 19 model years of the Mazda 6 (2003–2021). The most efficient was the 2014 6 at 32 mpg combined; the best 2021 version gets 29 mpg, 5 mpg more than in 2003.
| Year | Combined MPG | Most efficient version | Versions |
|---|---|---|---|
| 2021 | 26–29 | 6 | 2 |
| 2020 | 26–29 | 6 | 2 |
| 2019 | 26–29 | 6 | 3 |
| 2018 | 26–29 | 6 | 3 |
| 2017 | 28–30 | 6 | 3 |
| 2016 | 29–32 | 6 | 3 |
| 2015 | 29–32 | 6 | 3 |
| 2014 | 29–32 | 6 | 3 |
| 2013 | 21–24 | 6 | 3 |
| 2012 | 21–25 | 6 | 3 |
| 2011 | 21–25 | 6 | 3 |
| 2010 | 20–24 | 6 | 3 |
| 2009 | 20–24 | 6 | 3 |
| 2008 | 20–24 | 6 | 4 |
| 2007 | 19–24 | 6 | 7 |
| 2006 | 19–24 | 6 | 7 |
| 2005 | 20–23 | 6 | 6 |
| 2004 | 19–24 | 6 | 6 |
| 2003 | 20–24 | 6 | 4 |