The 2010 Audi Q7 is available as a 4-door, 7-seat sport utility. Starting at $46,900, the 2010 Audi Q7 3.6 Premium is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 19-mpg on the highway. The top of the line 2010AudiQ74.2 Prestige , priced at $ 61,000 , is powered by a 4.2L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 18-mpg on the highway.