2025 Duramax Diesel Specs For Sale. Find incentives, rebates, recalls, and. Engine hierarchy and pricing vary by model, and in other trims the duramax is the penultimate option.

Chevrolet has made big improvements to the 2025 silverado hd 6.6 duramax turbo diesel. 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!