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

Popular Comparisons: 2022 Lexus NX II vs 2017 Mazda CX-5 II, 2014 Peugeot 108 Hatch vs 2020 Toyota Highlander IV, 2024 Kia EV9 vs 1983 Land Rover Defender 110
Small red car