2024 Gmc 3500 Duramax Specs. 2024 gmc sierra 3500 hd payload capacities. General motors announced a revised, more powerful version of the 6.6l duramax diesel for the updated 2024 model year gmc sierra and chevrolet silverado hd.
The sierra 3500 heavy duty pickup truck comes in 2wd and 4wd crew cab models with either a 6′ 9 standard bed or an available 8′ long bed. Choose either a gmc sierra 2500 hd or 3500 hd and learn more about the vehicle specs, trims, and features available.