What is the miles per gallon on a 2015 Chevy Silverado 2500hd duramax pulling no load?

The 2015 Chevy Silverado 2500HD Duramax typically achieves around 15 to 20 miles per gallon (mpg) when not pulling a load, depending on driving conditions and maintenance. On the highway, it can reach the higher end of this range, while city driving tends to be lower. Factors such as driving habits and terrain can also influence fuel efficiency.