The 2015 Chevrolet Corvette is available as a 2-door, 2-seat coupe. Starting at $55,000, the 2015 Chevrolet Corvette Stingray Coupe is powered by a 6.2L , 8 -cylinder engine mated to a manual transmission that returns an EPA estimated 17-mpg in the city and 29-mpg on the highway. The top of the line 2015ChevroletCorvetteZ06 Convertible , priced at $ 83,000 , is powered by a 6.2L , 8 - cylinder engine mated to a manual transmission that returns an EPA estimated 15-mpg in the city and 22-mpg on the highway.