The 2021 Lincoln Aviator is available as a 4-door, 7-seat sport utility. Starting at $51,570, the 2021 Lincoln Aviator Standard 4x2 is powered by a 3.0LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway. The top of the line 2021LincolnAviatorLivery AWD , priced at $ 53,160 , is powered by a 3.0LL , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 24-mpg on the highway.