The 2021 Tesla Model X is available as a 4-door, 5-seat sport utility. Starting at $79,990, the 2021 Tesla Model X Long Range Plus is powered by a , 0 -cylinder engine mated to an automatic transmission that returns an EPA estimated 109-mpg in the city and 101-mpg on the highway. The top of the line 2021TeslaModel XPlaid , priced at $ 119,990 , is powered by a , 0 - cylinder engine mated to an automatic transmission that returns an EPA estimated