The 2015 Audi Q5 is available as a 4-door, 5-seat sport utility. Starting at $39,300, the 2015 Audi Q5 2.0T is powered by a 2.0L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 28-mpg on the highway. The top of the line 2015AudiQ53.0 TDI Plus , priced at $ 47,500 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 31-mpg on the highway.