2024 Gmc Sierra 2500hd At4x Aev Edition Mpg. Gmc says the 2024 sierra hd at4x and at4x aev edition will be at dealers later this year, in the fall. Power (sae net) 305 hp @ 3,750 rpm.

2024 gmc sierra 1500 at4x aev edition specifications. We’ve got the scoop on the first test drive of the 2024 gmc sierra 2500 hd at4x aev edition!