The 2017 Cadillac CTS is available as a 4-door, 5-seat sedan. Starting at $45,995, the 2017 Cadillac CTS 2.0L Turbo Base RWD is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 30-mpg on the highway. The top of the line 2017 Cadillac CTS 3.6L Premium Luxury AWD, priced at $61,195, is powered by a 3.6L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 27-mpg on the highway.