2024 GMC Sierra 3500HD AT4 is a Truck (Crew Cab) model with 10-speed shiftable automatic transmission. This is a four wheel drive model With a power of 401 HK and 629,18 Nm of torque. An urban consumption is . The engine has a capacity of 6.60L with V8 cylinders. To view detailed specifications like fuel consumption and dimensions, please scroll below.