2024 Gmc 2024 Hd Crew Cab. View detailed specs, features and options for the 2024 gmc sierra 2500hd 4wd crew cab 159 at4x at u.s. 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.
Crew cab, standard bed, 2wd. The 2024 sierra 2500 hd crew cab ranges in power from the pro with 401 horsepower to the denali ultimate with 470 horsepower.