The 2002 Porsche 911 is available as a 2-door, 4-seat coupe. Starting at $67,900, the 2002 Porsche 911 Carrera (M6) RWD Coupe is powered by a 3.6L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway. The top of the line 2002Porsche911Turbo AWD Coupe , priced at $ 115,000 , is powered by a 3.6L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 15-mpg in the city and 22-mpg on the highway.