The second-generation 2006 Cadillac CTS is an American luxury sedan that is available in three trims: the base version, 2.8L and the sportier 3.6L. The base 2.8L V6 produces 210 hp, while the more powerful 3.6L V6 churns out 255 hp. There is an option for a five-speed automatic or six-speed manual transmission. Rear-wheel drive is standard. Key safety features include antilock disc brakes, traction control, stability control, a tire-pressure monitor, and a full complement of airbags. Infotainment highlights include an available Bose audio system, satellite radio, and Navigation system. The 2006 model features a freshened exterior design with a larger grille, redesigned wheel selections, and revised exhaust outlets.