The 2025 GMC Yukon AT4 Ultimate is where rugged capability meets refined luxury—and we’ve taken it to the next level. Under the hood? A supercharged V8 that delivers massive power and torque, ready to dominate on or off the pavement. In this video, we give you a full walkaround of the AT4 Ultimate package, highlight its premium interior, explore off-road features, and of course… fire up the supercharged beast. If you’re looking for a full-size SUV that checks every box—luxury, performance, and presence—this is it.