2017 Cadillac XTS: The 2017 Cadillac XTS is a full-size sedan that competes with the Audi A6 and Mercedes-Benz E-Class. It sees only minor changes for this year.The XTS offers a choice between a 3.6-liter V6 that makes 304 horsepower or a twin-turbocharged V-6 that makes 410 horsepower. Both pair with a six-speed automatic transmission. The XTS is available with front- or all-wheel drive and it has EPA-estimated fuel economy of 18 mpg city/28 mpg for the 3.6-liter (17/26 with all-wheel drive) and 16/23 for the turbocharged V6.Available features include heated and ventilated front seats, heated rear seats, premium audio, infotainment system, heated steering wheel, head-up display, leather seats, in-car wireless, navigation, Apple CarPlay, and Android Auto.Available safety features include safety alert seat, lane-departure warning, lane-keep assist, blind-spot monitoring, rear cross-traffic alert, forward-collision alert, surround vision, and dual-front, front-side, rear-side, driver-knee and side-curtain airbags.The 2017 Cadillac XTS has a base price of $45,295, not including dealer or destination fees.