2024 Chevy Duramax Diesel Exhaust Fluid Capacity. 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! This is the first time i got a def message on the 2024, but i remember my 2020.

This is the first time i got a def message on the 2024, but i remember my 2020. Stupid thing is, gm says the fluid temp has to be at 170f.