Audi A6 Avant quattro MPG and Fuel Economy

Audi have been manufacturing models of A6 Avant quattro for 12 years, with the latest vehicle in 2011 having a combined MPG of 21.

The estimated fuel cost for the 2011 Audi A6 Avant quattro is $3,500 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 $6,000 more on fuel driving a 2011 Audi A6 Avant quattro.

🛢 The Audi A6 Avant quattro will consume roughly 14 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Audi A6 Avant quattro will emit -1 grams of CO2, which is about -15,000 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 1 tree would be needed to offset emissions from the Audi A6 Avant quattro.

The table below is a complete list of the 12 Audi A6 Avant 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.

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "Audi A6 Avant quattro MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a6-avant-quattro.

  • "Audi A6 Avant quattro MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a6-avant-quattro. Accessed January 3, 2026.

  • Audi A6 Avant quattro MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a6-avant-quattro.