2015 GMC Sierra 3500HD IV (GMTK2XX) Double Cab Long Box in Dark Slate Metallic: Front-side view of heavy-duty pickup with extended double cab and long cargo bed

Front-side view of heavy-duty pickup with extended double cab and long cargo bed

Visible front and left side of a heavy-duty pickup featuring a prominent chrome grille with GMC emblem, square headlights, double cab with four doors, and a long cargo bed.

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

Popular Comparisons: gmc yukon vs ford expedition, 2023 Mazda CX-50 vs 2013 CX-5, 2009 Toyota iQ vs 2012 Volkswagen Up!