The 2021 Audi e-tron is available as a 4-door, 5-seat sport utility. Starting at $65,900, the 2021 Audi e-tron e-tron is powered by a , 0-cylinder engine mated to an automatic transmission that returns an EPA estimated 78-mpg in the city and 77-mpg on the highway. The top of the line 2021 Audi e-tron e-tron Sportback, priced at $69,100, is powered by a , 0-cylinder engine mated to an automatic transmission that returns an EPA estimated 76-mpg in the city and 78-mpg on the highway.