GMC Logo2020 GMC Sierra 3500HD V (GMTT1XX) Crew Cab Standard Bed: Engine bay with Duramax 6.6L turbo diesel and fluid reservoirs

Detailed view of an engine bay showcasing a Duramax 6.6L turbo diesel engine and various fluid reservoirs with an open hood and visible wiring and components.

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

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

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