2024 Gmc Duramax Specs Hp. The 2024 duramax appears to be even more bulletproof than the 2023. The new 2024 gmc sierra hd pickup truck pulls your world with turbocharged power and an impressive lineup of trims that includes the first ever denali ultimate.

The new 2024 gmc sierra hd pickup truck pulls your world with turbocharged power and an impressive lineup of trims that includes the first ever denali ultimate. From a previous 445 hp at 2,800 rpm, chevrolet engineers have increased the l5p’s power to 470 hp.