The Cadillac ATS is a 4-door compact luxury sports sedan. The ATS has three available engines, including two direct injected DOHC 4-cylinder engines, a normally aspirated 2.5l that makes 202 HP, and a turbocharged 2.0l that makes 272 HP. The top of the range engine is a 3.6l V6, also direct injected and DOHC, that makes 321 HP. Power is sent to the rear wheels, with all-wheel drive optional if the turbocharged 4-cylinder or V6 are selected. Also available only with the turbocharged 4-cylinder or V6 is the the Cadillac head-up display. This full-color display projects information onto the windshield, helping the driver keep their eyes on the road. The system can project vehicle information such as speed and engine RPM, entertainment information like radio station name, and navigation information including turn by turn directions. Using simple controls you can adjust the vertical position of the head-up display, adjust the brightness of the display, or even disable it.