Audi A5 quattro MPG and Fuel Economy

Audi have been manufacturing models of A5 quattro for 14 years, with the latest vehicle in 2021 having a combined MPG of 27.

The estimated fuel cost for the 2021 Audi A5 quattro is $2,750 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 $2,250 more on fuel driving a 2021 Audi A5 quattro.

🛢 The Audi A5 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 A5 quattro will emit 331 grams of CO2, which is about 4,965,000 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 237 trees would be needed to offset emissions from the Audi A5 quattro.

The table below is a complete list of the 14 Audi A5 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 A5 quattro MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a5-quattro.

  • "Audi A5 quattro MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a5-quattro. Accessed January 3, 2026.

  • Audi A5 quattro MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a5-quattro.