The 2008 Ford Mustang is available as a 2-door, 4-seat coupe. Starting at $31,065, the 2008 Ford Mustang GT Deluxe (170A) Convertible is powered by a 4.6L , 8 -cylinder engine mated to a manual transmission that returns an EPA estimated 15-mpg in the city and 23-mpg on the highway. The top of the line 2008FordMustangV6 Premium (120A) Coupe , priced at $ 20,880 , is powered by a 4.0L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 17-mpg in the city and 26-mpg on the highway.