The 2021 GMC Sierra 3500HD is a powerful and imposing Crew Cab pickup truck in Pacific Blue Metallic, equipped with a robust Duramax turbodiesel V8 engine mated to an Allison 10-speed automatic transmission. Standing tall with a Pro Comp lift kit, it's fitted with aggressive Hostile 20" wheels clad in sizeable 37" Nitto tires. This heavy-duty Denali variant boasts several advanced features including radar detection and laser diffusion equipment for enhanced safety.