2025 Gmc Sierra 2500hd At4x Price. Gmc is unveiling the 2025 sierra heavy duty and the first ever 2025 sierra hd denali ultimate, redefining the power and capability of this dominating truck. The 2025 sierra 2500hd at4x aev is $94,290.

It starts at $81,900 and inflates to $103,075 with all. The 2025 gmc sierra 2500hd denali and at4 trims include 4wd, but it’s optional on all other trim levels, which come with rwd as standard.