GMC Logo2015 GMC Sierra 3500HD IV (GMTK2XX) Regular Cab Long Box in Summit White: Front three-quarter view of heavy duty pickup truck with Regular Cab and Long Box

Heavy duty pickup truck shown in front three-quarter angle with Regular Cab, Long Box cargo bed, chrome grille, steel wheels, and side mirrors.

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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Small red car