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- 2020 Sierra 3500HD V (GMTT1XX) Double Cab Long Bed
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- Modern truck interior with touchscreen, climate controls, and leather seats.
GMC2020 GMC Sierra 3500HD V (GMTT1XX) Double Cab Long BedModern 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.
