2015 GMC Sierra 3500HD IV (GMTK2XX) Crew Cab Long Box in Onyx Black: Front side view of a heavy-duty pickup truck with crew cab and long box.

Front side view of a heavy-duty pickup truck featuring a prominent front grille, headlight design, crew cab, and long cargo box. Emphasizes rugged wheels and side mirrors.

View Dimensions of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Crew Cab Long Box

View 23 images of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Crew Cab Long Box

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