2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed: Heavy-duty pickup truck bed with dual rear doors open and protective liner

Close-up of an open heavy-duty pickup truck bed showing a dual rear door design and a protective textured liner, highlighting cargo space and rear truck utility.

View Dimensions of the 2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed

View 25 images of the 2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed

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