The additional features of the GMC Hummer are Apple CarPlay or Android as the case may be, wifi-system, a Super cruise hands-free driving feature, lane-keeping, blind spot driving assistance, a 14 Bose speaker, and a telematics system.
GMC Hummer has a cool feature of four-wheel-steering which provides more stability to the vehicle. Its rear wheel can turn upto 10 degrees in either direction.
It also has a crab sideways that allows the vehicle to drive diagonally. To provide the vehicle with full stability, they have engineered the vehicle with 35” wheels.