GMC: 2025 GMC Yukon AT4 Ultimate With 600-HP Supercharged Upgrade Is One Rowdy Brute

Although the Cadillac brand offers a supercharged V8 in the Silverado 1500-based Escalade, its GMC-branded sibling does not. Even so, the folks at Hennessey Performance Engineering are much obliged to upgrade your 2025 GMC Yukon with a blower, which raises maximum output from 420 to 600 hp. As you can tell from the featured clip, the supercharger makes a world of difference in terms of aural qualities. The 6.2-liter small block further be... (continue reading...)