2024 Gmc Sierra 2024 At4 Towing Capacity. Comes standard with the turbomax. Optional max trailering package (rpo code nht).

Some of that extra capability is. As we can see from these tables, the 2024 gmc sierra hd model with the highest towing capacity rating is the 3500 hd regular cab / long bed drw (dual rear wheel) with 2wd, a gooseneck hitch, and.