The 2009 Audi Q7 is available as a 4-door, 5-seat sport utility. Starting at $43,500, the 2009 Audi Q7 3.6 5 Passenger 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 20-mpg on the highway. The top of the line 2009 Audi Q7 3.0 TDI, priced at $50,900, 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.