The 2009 Dodge Ram 1500 represents the fourth generation of the full-size pickup truck. It's available in three cab styles: regular, Quad and Crew. Engine options include a 3.7-liter V6 producing 215 horsepower, a 4.7-liter V8 with 310 horsepower, and a 5.7-liter Hemi V8 that delivers 390 horsepower. Power reaches the wheels through a 5-speed automatic transmission with available rear-wheel or four-wheel drive. Key tech features include a trip computer, a six-speaker stereo with a CD and MP3 player, and an optional rear-seat entertainment system. For safety, the Ram 1500 offers antilock four-wheel disc brakes and stability control as standard across all trims and optional rear parking sensors.