2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box: Front grill and headlights of a heavy-duty pickup truck

Close-up front view featuring a large chrome grill with horizontal slats and prominent headlights with amber turn signals on a heavy-duty pickup truck.

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

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

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