2020 GMC Sierra 2500HD V (GMTT1XX) Regular Cab Long Bed: Engine bay with Duramax 6.6L diesel engine and components

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Engine compartment featuring a Duramax 6.6L diesel engine prominently centered, with surrounding components like coolant reservoirs, wiring harnesses, and air intake systems visible.

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

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