Interior view focusing on the leather-wrapped Denali steering wheel with integrated controls, and a central multimedia dashboard equipped with a navigation system and climate control buttons, surrounded by wood grain trim.
View Dimensions of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long Box
View 21 images of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long Box