The 2017 Mercedes-Benz AMG GT is available as a 2-door, 2-seat coupe. Starting at $111,200, the 2017 Mercedes-Benz AMG GT Base is powered by a 4.0L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway. The top of the line 2017Mercedes-BenzAMG GTS , priced at $ 131,200 , is powered by a 4.0L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.