GMC Logo2020 GMC Sierra 2500HD V (GMTT1XX) Double Cab Long Bed: Duramax 6.6L engine bay with fluid reservoirs and engine components

Under hood view showing the Duramax 6.6L engine with surrounding components including fluid reservoirs, wiring, and intake, highlighting heavy-duty pickup engine bay layout and design.

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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