The 2016 Cadillac SRX is available as a 4-door, 5-seat sport utility. Starting at $37,605, the 2016 Cadillac SRX Standard FWD is powered by a 3.6L , 6 -cylinder engine that returns an EPA estimated 17-mpg in the city and 24-mpg on the highway. The top of the line 2016CadillacSRXPremium AWD , priced at $ 51,730 , is powered by a 3.6L , 6 - cylinder engine that returns an EPA estimated 16-mpg in the city and 23-mpg on the highway.