The 2011 Audi Q7 is available as a 4-door, 7-seat sport utility. Starting at $51,450, the 2011 Audi Q7 3.0 TDI Premium is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway. The top of the line 2011AudiQ73.0T S line Prestige , priced at $ 59,450 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.