GMC Logo2015 GMC Sierra 2500HD IV (GMTK2XX) Double Cab Long Box in Dark Slate Metallic: Front and side view of a heavy-duty double cab pickup truck with extended cargo bed.

Front and side view of a heavy-duty double cab pickup truck with extended cargo bed.

Heavy-duty pickup truck showcasing a bold front grille, double cab with four doors, and a long cargo box, emphasizing robust design and utility.

View Dimensions of the 2015 GMC Sierra 2500HD IV (GMTK2XX) Double Cab Long Box

View 22 images of the 2015 GMC Sierra 2500HD IV (GMTK2XX) Double Cab Long Box

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