Redesigned inside and out, the 2010 Ram Truck Ram 2500 is a full-size heavy-duty pickup truck. The Ram 2500 is available with a regular cab, Crew cab, or the Mega Cab. The standard engine is a 5.7L HEMI V8 while a 6.7L turbo diesel is optional. RWD and 4WD are the two drivetrain choices. The all-new style of the Ram 2500 makes it a tough work truck that cleans up nicely.