2024 Duramax Horsepower And Torque. How much horsepower and torque does the l5p duramax have? In terms of specs, the big changes are the peak power and torque figures, with the new 3.0l i6 lz0 turbodiesel duramax engine producing a maximum of 305 horsepower at.

6.6l duramax diesel timeline identifying factory horsepower and torque ratings for 2001 to current applications. Max power is 305 horsepower, a 10 percent increase over the 277.