2025 Duramax Horsepower. 6.6l duramax diesel timeline identifying factory horsepower and torque ratings for 2001 to current applications. 2025 chevrolet silverado 1500 zr2 duramax vehicle type:
The truck’s l5p duramax diesel engine received a substantial bump in power and torque thanks to a stout list of upgrades, including a new turbocharger, improved piston design, enhancements to. The 2025 silverado 2500 duramax diesel achieved a result of 18 mpg in our testing.