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

Popular Comparisons: bmw x1 vs x3 dimensions, 2019 RAM 1500 Crew Cab Long vs 2009 Ford F-Series F-150 XII SuperCrew, 2024 Mazda CX-90 vs 2020 Volkswagen Atlas Cross Sport