GMC Sierra 3500HD III (GMT900) Extended Cab Long Box /2007, 2008, 2009, 2010/ specs, Fuel consumption, Dimensions

Start of production 2007; End of production 2010 | Pick-up
Power: from 360 Hp to 365 Hp
Length 6330 mm (249.21 in.); Height 1931 mm (76.02 in.); Wheelbase 4001 mm (157.52 in.);