The 2014 Porsche 911 is available as a 2-door, 4-seat coupe. Starting at $84,300, the 2014 Porsche 911 Carrera (M7) RWD Coupe is powered by a 3.4L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 19-mpg in the city and 27-mpg on the highway. The top of the line 2014Porsche911Targa 4S (M7) AWD Coupe , priced at $ 116,200 , is powered by a 3.8L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway.