2025 Chevy Duramax Rst Horsepower. 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! At the heart of every silverado lies a capable engine that uses the latest advanced technology to deliver impactful performance.
The rst trim of the 2025 chevy silverado 1500 is the ideal compromise that any truck owner can revel in. Other news, the 6.6 gasser gets the big 10 speed for 2025 and some new color and trim options.