Cockpit view focusing on the dashboard with extensive wood trim, integrated infotainment system, and a Denali-branded steering wheel with control buttons.
View Dimensions of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Standard Box
View 19 images of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Standard Box