2024 Duramax Mpg. Both got about 15 mpg towing but for a full size truck with more room than the colorado,. 2024 duramax 3.0 getting less mpg.

The 2024 silverado duramax acted as a tow rig for. In terms of specs, the big changes are the peak power and torque figures, with the new 3.0l i6 lz0 turbodiesel duramax engine producing a maximum of 305 horsepower at 3,750.