Here are the details you want to know about the 2022 GMC Hummer EV with loads of video. Not only does the three-motor Edition 1 model get 350 miles of electric range for wilderness patrol, there’s 800-volt charging like Porsche Taycan. 0-60 in 3 seconds flat too! More than just a large SUV with a huge battery, Hummer EV is stuffed with tech. Tom Voelk walks you through it.