The 2021 Audi Q5 is available as a 4-door, 5-seat sport utility. Starting at $43,300, the 2021 Audi Q5 45 Premium is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 28-mpg on the highway. The top of the line 2021 Audi Q5 45 Premium, priced at $47,800, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 23-mpg in the city and 28-mpg on the highway.