GMC Logo2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed in Summit White: Front and side view of a heavy-duty double cab pickup.

Front and side view of a heavy-duty double cab pickup.

Heavy-duty pickup truck showcasing a large front grille with GMC badge, double cab configuration, prominent side mirrors, and visible alloy wheels.

View Dimensions of the 2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed

View 25 images of the 2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed

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