Audi A6 quattro: MPG and fuel economy by year
The EPA has rated the Audi A6 quattro across 31 model years, from the 1995 Audi A6 quattro through the 2025 Audi A6 quattro. The most recent 2025 Audi A6 quattro returns 26 combined MPG. The most efficient model year was the 2016 Audi A6 quattro at 30 MPG. The nameplate has been in continuous production long enough to span multiple generations of EPA testing methodology.
Pick a year below to open the full Audi A6 quattro 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 Audi A6 quattro. 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 |
|---|---|---|---|---|---|
| 2025 | 2025 Audi A6 quattro | 26 MPG | 24 MPG | 31 MPG | $2,650 |
| 2024 | 2024 Audi A6 quattro | 26 MPG | 23 MPG | 33 MPG | $2,650 |
| 2023 | 2023 Audi A6 quattro | 27 MPG | 24 MPG | 31 MPG | $2,550 |
| 2022 | 2022 Audi A6 quattro | 26 MPG | 23 MPG | 32 MPG | $2,650 |
| 2021 | 2021 Audi A6 quattro | 26 MPG | 23 MPG | 31 MPG | $2,650 |
| 2020 | 2020 Audi A6 quattro | 27 MPG | 24 MPG | 32 MPG | $2,550 |
| 2019 | 2019 Audi A6 quattro | 27 MPG | 24 MPG | 32 MPG | $2,550 |
| 2018 | 2018 Audi A6 quattro | 26 MPG | 22 MPG | 31 MPG | $2,650 |
| 2017 | 2017 Audi A6 quattro | 25 MPG | 22 MPG | 31 MPG | $2,750 |
| 2016 | 2016 Audi A6 quattro | 30 MPG | 25 MPG | 38 MPG | $2,700 |
| 2015 | 2015 Audi A6 quattro | 29 MPG | 24 MPG | 38 MPG | $2,800 |
| 2014 | 2014 Audi A6 quattro | 29 MPG | 24 MPG | 38 MPG | $2,800 |
| 2013 | 2013 Audi A6 quattro | 24 MPG | 20 MPG | 30 MPG | $2,900 |
| 2012 | 2012 Audi A6 quattro | 22 MPG | 19 MPG | 28 MPG | $3,150 |
| 2011 | 2011 Audi A6 quattro | 21 MPG | 18 MPG | 26 MPG | $3,300 |
| 2010 | 2010 Audi A6 quattro | 21 MPG | 18 MPG | 26 MPG | $3,300 |
| 2009 | 2009 Audi A6 quattro | 21 MPG | 18 MPG | 26 MPG | $3,300 |
| 2008 | 2008 Audi A6 quattro | 20 MPG | 17 MPG | 25 MPG | $3,450 |
| 2007 | 2007 Audi A6 quattro | 20 MPG | 17 MPG | 25 MPG | $3,450 |
| 2006 | 2006 Audi A6 quattro | 20 MPG | 17 MPG | 25 MPG | $3,450 |
| 2005 | 2005 Audi A6 quattro | 19 MPG | 17 MPG | 24 MPG | $3,650 |
| 2004 | 2004 Audi A6 quattro | 19 MPG | 16 MPG | 23 MPG | $3,650 |
| 2003 | 2003 Audi A6 quattro | 19 MPG | 16 MPG | 23 MPG | $3,650 |
| 2002 | 2002 Audi A6 quattro | 18 MPG | 15 MPG | 22 MPG | $3,850 |
| 2001 | 2001 Audi A6 quattro | 18 MPG | 15 MPG | 22 MPG | $3,850 |
| 2000 | 2000 Audi A6 quattro | 18 MPG | 15 MPG | 22 MPG | $3,850 |
| 1999 | 1999 Audi A6 quattro | 18 MPG | 15 MPG | 24 MPG | $3,850 |
| 1998 | 1998 Audi A6 quattro | 18 MPG | 15 MPG | 24 MPG | $3,850 |
| 1997 | 1997 Audi A6 quattro | 19 MPG | 17 MPG | 22 MPG | $3,650 |
| 1996 | 1996 Audi A6 quattro | 19 MPG | 17 MPG | 22 MPG | $3,650 |
| 1995 | 1995 Audi A6 quattro | 18 MPG | 16 MPG | 20 MPG | $3,300 |
How the Audi A6 quattro compares against the Midsize Cars class
Buyers usually compare the Audi A6 quattro against other cars in the same EPA class. The list below shows the most efficient cars in the Midsize Cars class for the 2025 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.