In order to build the Hummer EV, GMC's engineers say they had to flip everything they knew about heavy trucks on its head. In this 16 minute video, GMC tells you exactly what went into the 19-month development period that created the Hummer EV.

The team goes through everything from the interior materials that are "technical in feel and utilitarian in execution" to the sheer power of the Ultium battery pack. It's a great look at everything that will make the Hummer EV such a beast when it arrives.