Audi A3 e-tron MPG and Fuel Economy

Audi have been manufacturing models of A3 e-tron for 3 years, with the latest vehicle in 2018 having a combined MPG of 36.

The estimated fuel cost for the 2018 Audi A3 e-tron is $2,050 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 save $3,750 on fuel driving a 2018 Audi A3 e-tron.

🛢 The Audi A3 e-tron will consume roughly 5 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Audi A3 e-tron will emit 150 grams of CO2, which is about 2,250,000 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 108 trees would be needed to offset emissions from the Audi A3 e-tron.

The table below is a complete list of the 3 Audi A3 e-tron 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
2018 Audi A3 e-tron36$2,050
2017 Audi A3 e-tron34$2,200
2016 Audi A3 e-tron35$2,100

Link To or Reference This Page

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

  • "Audi A3 e-tron MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/audi/a3-e-tron.

  • "Audi A3 e-tron MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/audi/a3-e-tron. Accessed January 3, 2026.

  • Audi A3 e-tron MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/audi/a3-e-tron.