2015 GMC Sierra 3500HD IV (GMTK2XX) Double Cab Long Box in Onyx Black: Front and side of heavy duty double cab long box pickup truck

View of a heavy-duty double cab long box pickup truck focusing on the front grille, headlights, side profile, and wheels with a durable, robust design.

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

View 22 images of the 2015 GMC Sierra 3500HD IV (GMTK2XX) Double Cab Long Box

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