Official Word:

The 2022 GMC HUMMER EV Edition 1 will be the first vehicle in production with GM's all-new Ultium battery architecture and will offer impressive on- and off-road features and a broad range of vehicle dynamics and performance features. This new architecture provides the framework to integrate advanced technologies for optimal driving range and - in the case of the HUMMER EV - will enable performance and capabilities that would not be possible with a conventional vehicle...Read.