GMC Logo2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long Bed: Modern truck interior with touchscreen, climate controls, and leather seats.

Modern truck interior featuring a touchscreen infotainment system, dual-zone climate controls, leather seats with stitching detail, multiple cup holders, and a multifunction steering wheel in a spacious cabin setting.

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

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

Popular Comparisons: 2022 Volkswagen ID. Buzz vs 2021 ID.4, 2020 Fiat 500 Cabrio vs 2019 Ford Ranger IV SuperCab, 2024 Ford Explorer EV vs 2005 Fusion I
Small red car