2024 3.0 Duramax Mpg. The only real reason to pick it over the 6.2 is the better mpg. Our truck tips the scales at 5,770 pounds, with a full tank of fuel and no occupants.

 — picked up my 2024 3.0 duramax ltz 2 weeks ago and noticed a few things that i have questions on.  — 2024 duramax 3.0 getting less mpg.