The 2007 Chevrolet Silverado Classic 2500HD LT2 Extended Cab RWD has a standard 6.0 L, 300 hp V8 powertrain and tows up to 12000 lbs.  This trim has 4 doors, seats 5, and offers a 78.7" loading bed.  Think of the LT2 as the second best trim level with its power driver seat and auto climate control.