2024 Gmc Sierra At4x Reviews And Complaints. That’s a worse than average energy impact score with use of 18.6 barrels of oil yearly and 9.3 tons of co2 emissions. View all 27 consumer vehicle reviews for the 2024 gmc sierra 2500hd on edmunds, or submit your own review of the 2024 sierra 2500hd.

2024 gmc sierra 1500 at4 in sterling metallic (a $495 color option) 2024 gmc sierra 1500 at4 specs. Neither is more or less capable than the other.