2024 Gmc 3500hd Duramax Specs. Edmunds also has gmc sierra 3500hd pricing, mpg, specs, pictures, safety features, consumer reviews and more. 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.
Refreshed for 2024, the restyled sierra 2500hd offers several enhancements tied to towing. 2025 gmc hummer ev suv;