Audi A6 quattro MPG and Fuel Economy
Audi have been manufacturing models of A6 quattro for 29 years, with the latest vehicle in 2023 having a combined MPG of 27.
The estimated fuel cost for the 2023 Audi A6 quattro is $2,350 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $2,750 more on fuel driving a 2023 Audi A6 quattro.
🛢 The Audi A6 quattro will consume roughly 11 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Audi A6 quattro will emit 334 grams of CO2, which is about 5,010,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 239 trees would be needed to offset emissions from the Audi A6 quattro.
The table below is a complete list of the 29 Audi A6 quattro fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2023 Audi A6 quattro | 27 | $2,350 |
| 2022 Audi A6 quattro | 26 | $2,850 |
| 2021 Audi A6 quattro | 24 | $3,100 |
| 2020 Audi A6 quattro | 27 | $2,750 |
| 2019 Audi A6 quattro | 25 | $2,950 |
| 2018 Audi A6 quattro | 26 | $2,850 |
| 2017 Audi A6 quattro | 24 | $3,100 |
| 2016 Audi A6 quattro | 24 | $3,100 |
| 2015 Audi A6 quattro | 29 | $2,650 |
| 2014 Audi A6 quattro | 21 | $3,500 |
| 2013 Audi A6 quattro | 24 | $3,100 |
| 2012 Audi A6 quattro | 22 | $3,350 |
| 2011 Audi A6 quattro | 19 | $3,900 |
| 2010 Audi A6 quattro | 18 | $4,100 |
| 2009 Audi A6 quattro | 18 | $4,100 |
| 2008 Audi A6 quattro | 20 | $3,700 |
| 2007 Audi A6 quattro | 20 | $3,700 |
| 2006 Audi A6 quattro | 20 | $3,700 |
| 2005 Audi A6 quattro | 19 | $3,900 |
| 2004 Audi A6 quattro | 19 | $3,900 |
| 2003 Audi A6 quattro | 19 | $3,900 |
| 2002 Audi A6 quattro | 18 | $4,100 |
| 2001 Audi A6 quattro | 18 | $4,100 |
| 2000 Audi A6 quattro | 18 | $4,100 |
| 1999 Audi A6 quattro | 18 | $4,100 |
| 1998 Audi A6 quattro | 18 | $4,100 |
| 1997 Audi A6 quattro | 19 | $3,900 |
| 1996 Audi A6 quattro | 19 | $3,900 |
| 1995 Audi A6 quattro | 18 | $3,500 |
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"Audi A6 quattro MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a6-quattro.
"Audi A6 quattro MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a6-quattro. Accessed January 3, 2026.
Audi A6 quattro MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a6-quattro.