GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Standard Box /2011, 2012, 2013, 2014/ specs, Fuel consumption, Dimensions

Start of production 2011; End of production 2014 | Pick-up
Power: from 301 Hp to 397 Hp
Length 5857 mm (230.59 in.); Height 1979 mm (77.91 in.); Wheelbase 3663 mm (144.21 in.);