2024 Gmc Sierra Hd Pricing. Under the hood, the 2025 gmc sierra hd is available with one of two powerplants, including the naturally aspirated 6.6l v8 l8t gasoline engine, rated at 401. Get kbb fair purchase price, msrp, and dealer invoice price for the 2024 gmc sierra 2500 hd.

Pricing and which one to buy. Under the hood, the 2025 gmc sierra hd is available with one of two powerplants, including the naturally aspirated 6.6l v8 l8t gasoline engine, rated at 401.