2024 Gmc Sierra 2024 Hd At4x Interior Dimensions. 2024 gmc sierra 1500 specs at a glance. Research studies and guides best car rankings;
Driver information centre, enhanced, 12.3 diagonal reconfigurable multicolour digital display. Gmc’s heavy hauler, the sierra hd pickup with the diesel engine, is rated to tow up to 22,500 pounds conventionally or 36,000 with.