The 2007 Cadillac CTS is a 5-passenger luxury sedan, with 4-door and available in two trims, the Cadillac 2.8L Sedan and the Cadillac 3.6L Sedan. Upon introduction, the Cadillac 2.8L Sedan is equipped with a standard 2.8-liter, V6, 210-horsepower engine that achieves 17-mpg in the city and 27-mpg on the highway. The Cadillac 3.6L Sedan is equipped with a standard 3.6-liter, V6, 255-horsepower engine that achieves 17-mpg in the city and 26-mpg on the highway. A 6-speed manual transmission with overdrive is standard on both trims, and a 5-speed automatic transmission with overdrive is optional. The 2007 Cadillac CTS is a carryover from 2006.