So what makes the 2026 GMC HUMMER EV SUV stand out around Carrollton? Let's talk about what's going on under the floor. Two trims are available, and both pack some wild numbers. The 2X runs a dual electric motor system through the Ultium Drive platform. One motor sits up front, another in the rear. Performance Torque Vectoring e4WD moves that energy to each wheel as needed.