2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box: Leather-wrapped steering wheel, wooden dashboard trim, advanced control panel.

Leather-wrapped steering wheel, wooden dashboard trim, advanced control panel.

Interior view featuring a leather-wrapped steering wheel with control buttons, wooden trim on the dashboard, a central infotainment system display with control knobs and buttons, and a spacious cabin layout.

View Dimensions of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box

View 30 images of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box

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