2024 6.6 Duramax Hp. 6.6l duramax diesel timeline identifying factory horsepower and torque ratings for 2001 to current applications. The new specifications on the 2024 chevrolet silverado hd include a bump of 25 horsepower up to a total of 470 hp at 2,800 rpm.
2024 duramax diesel general motors announced a revised, more powerful version of the 6.6l duramax diesel for the updated 2024 model year gmc sierra and chevrolet silverado hd. The new specifications on the 2024 chevrolet silverado hd include a bump of 25 horsepower up to a total of 470 hp at 2,800 rpm.