Heavy-Duty Handling/Trailering Suspension Package, 4D Extended Cab, Vortec 5.3L V8 SFI, and 4WD. Extended Cab! Price Break! NO doc fees, NO commissioned sales people, NO joking! Are you looking for a bargain that doesn't look like a bargain? If so, look no further than this wonderful 2007 GMC Sierra 1500 Classic. Don't get stuck in the mudholes of life. 4WD power delivery means you get traction whenever you need it. J.D. Power and Associates gave the 2007 Sierra 1500 Classic 5 out of 5 Power Circles for Overall Initial Quality Design. With 8 locations to serve you and helpful non commissioned staff..Your satisfaction is our promise!