Audi A8 MPG and Fuel Economy

Audi have been manufacturing models of A8 for 15 years, with the latest vehicle in 2015 having a combined MPG of 22.

The estimated fuel cost for the 2015 Audi A8 is $3,350 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 $5,250 more on fuel driving a 2015 Audi A8.

🛢 The Audi A8 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 A8 will emit 401 grams of CO2, which is about 6,015,000 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 287 trees would be needed to offset emissions from the Audi A8.

The table below is a complete list of the 15 Audi A8 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.

VehicleCombined MPGFuel Cost
2015 Audi A822$3,350
2014 Audi A821$3,500
2013 Audi A821$3,500
2012 Audi A821$3,500
2011 Audi A821$3,500
2010 Audi A818$4,100
2009 Audi A818$4,100
2008 Audi A818$4,100
2007 Audi A818$4,100
2006 Audi A818$4,100
2005 Audi A818$4,100
2003 Audi A818$4,100
1999 Audi A818$4,100
1998 Audi A818$4,100
1997 Audi A818$4,100

Link To or Reference This Page

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

  • "Audi A8 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a8.

  • "Audi A8 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a8. Accessed January 3, 2026.

  • Audi A8 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a8.