The 2022 Cadillac XT6 is available as a 4-door, 7-seat sport utility. Starting at $48,595, the 2022 Cadillac XT6 FWD is powered by a 2.0LL , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 27-mpg on the highway. The top of the line 2022CadillacXT6Sport AWD , priced at $ 58,295 , is powered by a 3.6LL , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 25-mpg on the highway.