2024 3.0 Duramax Hp. From a previous 445 hp at 2,800 rpm, chevrolet engineers have increased the l5p’s power to 470 hp. New interior on lt/sle and up, same as half tons except the hd's keep the column shifter.

Max power is 305 horsepower, a 10 percent increase over the 277 horsepower in the lm2. From a previous 445 hp at 2,800 rpm, chevrolet engineers have increased the l5p’s power to 470 hp.