Here's how the Hummer EV looks next to the Rivian R1T, Ford F-150 & Maverick. As we can see here it shares a footprint and height similar to the new Ford F-150.
The new Raptors, like the one in the photo, only come in one cab/bed configuration, https://media.ford.com/content/dam/fordmedia/North America/US/product/2021/f150/raptor/pdf/2021-Ford-F-150-Raptor-Tech-Specs.pdf , so the length and width is 232.6” L x 86.6” W w/o mirrors and 96” W with mirrors. The height is 79.8” unless you opt for the 37” tire package, then the height is 80.7”Depending on Cab and options Raptor can be anything from: 232-244″ L x 80-87″ W x 76-80″ H
Hummer is: 217″ L x 87″ W x 79″ H