2025 Gmc Sierra 2500hd At4x Aev Edition. The automaker has announced the redesigned 2025 gmc sierra 2500 will be offered with two new trims, the at4x and at4x aev edition. Cranking the wick on at4x is an aev package shown here, adding stamped steel bumpers and more skid plates.

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. 2025 gmc sierra hd at4x aev edition.