The AT4 will be the highest-riding Sierra, with 2 inches of additional lift thanks to lifted coil suspension and new 35-inch tires. AT4 models will also share a number of features with GMC’s Hummer EV, such as four-wheel steer, CrabWalk, and Terrain Mode. But the automaker stressed that the two EVs don’t actually share any physical components.

GMC is expanding the Sierra EV lineup for the 2026 model year with AT4 and Elevation trims and 3 available battery sizes. The new starting price is $64,495

The General is rounding out the Sierra EV trim walk with a couple of models which are very popular on the internal combustion side of the showroom.