2024 Gmc Duramax Fuel Mileage. What kind of mileage you seeing at towing a 5000 pound boat? View detailed gas mileage data for the 2024 gmc sierra 2500hd.
Does anyone have any real world data on the 2024 6.6 gas v/s 6.6 diesel fuel economy. Estimates of gas mileage, greenhouse gas emissions, safety ratings, and air pollution ratings for new and used cars and trucks.