The 2026 GMC Yukon XL is built to take on big jobs with ease. This full-size SUV offers three engine choices. You can pick the 6.2-liter V8 with 420 horsepower, the 5.3-liter V8 with 355 horsepower, or the 3.0-liter Turbo-Diesel that delivers 495 pound-feet of torque. Each engine works with a 10-speed automatic transmission that includes Tow/Haul mode for pulling heavy loads. Drivers in Brady, TX will enjoy the available 4-wheel drive (4WD) system for added traction.