Join the Hennessey team as they hit the Pennzoil Proving Ground with a stunning 2023 GMC Yukon AT4, now empowered with the supercharged ‘H650’ upgrade.

The AT4 trim level is the epitome of rugged luxury and off-road prowess. Designed to conquer both the city streets and the untamed wilderness, the Yukon AT4 boasts a unique blend of sophistication and capability. With exclusive off-road suspension, skid plates, all-terrain tires, and a two-speed transfer case, this powerhouse is built for those who crave adventure and top-tier performance.

Hennessey’s H650 upgrade takes the already impressive Yukon AT4 to an entirely new level of exhilaration. The supercharged powertrain unleashes an awe-inspiring rush of energy, propelling this beast from 0 to 60 in just a matter of seconds. During this test drive, the Hennessey team will provide you with an in-depth review of the H650 upgrade’s performance, handling, and the sheer thrill it delivers.