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.

W e’re finally starting to see some 2025 GMC Sierra EVs on the road, and now GM's luxury and upmarket truck and SUV brand is introducing the 2026 rendition of the all-electric S

The GMC Sierra EV has been a pretty expensive pickup so far. Early Denali Edition 1 models carried a base price of $99,495, whereas last year’s “entry-level” Denali Extended Range carried an MSRP of $91,995.