2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed: Side view of white heavy-duty pickup with double cab and long bed

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Side profile of a white heavy-duty pickup truck featuring a double cab with four doors and an extended long bed, equipped with rugged off-road tires and black trim around wheel arches and running boards.

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