2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box in Summit White: Front three-quarter view of a heavy-duty pickup truck with chrome grille and long box

Front three-quarter view of a heavy-duty pickup truck with chrome grille and long box

View of a heavy-duty pickup truck from the front three-quarter angle, featuring a prominent chrome grille, clear headlights, and long cargo box with extended cab.

View Dimensions of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box

View 19 images of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box

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