The 2019 Porsche 718 Boxster is available as a 2-door, 2-seat convertible. Starting at $59,000, the 2019 Porsche 718 Boxster Base is powered by a 2.0L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 21-mpg in the city and 28-mpg on the highway. The top of the line 2019Porsche718 BoxsterGTS , priced at $ 82,800 , is powered by a 2.5L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 19-mpg in the city and 25-mpg on the highway.