GMC Logo2020 GMC Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed: Truck interior dashboard with touchscreen and steering wheel controls

Black truck cabin interior showing dashboard with central touchscreen, multi-function steering wheel, dual-zone climate controls, and ergonomic seating with contrasting stitching.

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

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

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