2024 3.0 Duramax Mpg. A forum community dedicated to chevy and gmc duramax diesel owners and enthusiasts. Lifetime average was running 29.6.
Hand calc and tripmeter miles both charted. The 2024 chevy silverado zr2’s duramax diesel engine has proven efficient, but we weren’t ready for its astonishing best tank of 34 mpg with 826 miles of range!