The 2020 McLaren 720S is available as a 2-door, 2-seat coupe. Starting at $299,000, the 2020 McLaren 720S Base Coupe is powered by a 4.0L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 22-mpg on the highway. The top of the line 2020 McLaren 720S Performance Spider, priced at $327,130, is powered by a 4.0L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 22-mpg on the highway.