2024 Gmc Denali 2024 Duramax 4×4. Looking at a new 2024 at4 and just curious if the 10 speed transmission helps with mpg. 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.
Shop sierra 1500 2024 for sale. On long road trips if i keep my speed.