2025 Duramax Diesel Specs And Reviews. The 2025 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! Everything you need to know performance, towing, fuel economy, and more details about the chevy and gmc models with the first.

Take a look at what has changed, and the other features and new front end styling. For 2025, this burly powerplant sees an increase to.