2026 GMC Yukon XL Denali Ultimate

The 2026 GMC Yukon XL Denali Ultimate comes standard with a commanding 6.2-liter V8 engine paired with a 10-speed automatic transmission, delivering impressive power for both daily driving and confident towing. When properly equipped, the Yukon XL can tow up to 8,400 pounds, making it a serious hauler for families and adventurers alike. For those who want even more low-end torque, an available Duramax 3.0-liter Turbo-Diesel engine provides strong capability with efficient highway performance. Available Air Ride Adaptive Suspension rounds out the powertrain story by automatically adjusting ride height to match driving conditions, delivering a smooth and composed ride no matter the terrain.

Step inside the Yukon XL Denali Ultimate and you're greeted by a cabin that blends luxury and practicality in equal measure. Perforated leather front and second-row seating surfaces with unique stitching set the tone for the premium environment. Standard 16-way power front seats with a massage feature ensure driver and front passenger comfort on even the longest journeys. Available second-row executive seating takes rear-row comfort to another level, featuring heated and ventilated luxury captain's chairs with a massage feature, 14-way power seat adjusters, and stainless steel Bose head-restraint speakers. A power-sliding center console and a standard panoramic sunroof — featuring dual panes with tilt sliding, express-open, and express-close — round out the refined atmosphere throughout all three rows.

The 2026 Yukon XL Denali Ultimate is loaded with technology designed to keep every occupant informed and entertained. The standard 16.8-inch diagonal Premium GMC Infotainment System features a color touchscreen with Google built-in compatibility and voice-activated technology, creating a seamlessly connected cockpit. Backseat passengers aren't left out either — the available rear-seat media system offers dual 12.6-inch diagonal color-touch LCD high-definition screens, two Bluetooth headphone sets, and two HDMI ports on the back of the center console. The available Super Cruise hands-free driver assistance technology adds a new dimension to long-distance driving, while a multicolor 15-inch diagonal Head-Up Display projects key information directly onto the windshield. OnStar technology provides remote commands, Automatic Crash Response, and in-vehicle apps, keeping you confidently connected wherever you go.

Confidence behind the wheel starts with a strong foundation of safety technology, and the 2026 GMC Yukon XL Denali Ultimate delivers more than 17 standard safety and driver assistance features. Available Night Vision uses thermal imaging to help you detect pedestrians and large animals beyond the reach of your headlamps, alerting you to potential hazards before they become a problem. The available HD Surround Vision with Surround Vision Recorder gives you a comprehensive view of your surroundings, an especially valuable tool when maneuvering this full-size SUV in tight spaces. Advanced trailering assistance technology further enhances safety when towing, streamlining the hitching process and helping you tow with total confidence.

.The 2026 GMC Yukon XL is available in five distinct trim levels, each crafted to suit a specific set of needs and preferences. The Elevation serves as the accessible entry point, featuring a 5.3-liter V8 engine, HD Surround Vision, heated front seats, and a heated steering wheel. The AT4 builds on that foundation with a high-approach-angle front fascia, skid plate, red recovery hooks, heated and ventilated front seats, 20-inch machined and painted Carbon Flash Metallic wheels with all-terrain tires, and Magnetic Ride Control. The AT4 Ultimate elevates the off-road experience further with Super Cruise, Obsidian Rush full-grain leather seating, Air Ride Adaptive Suspension, 16-way power front seats with a massage feature, and a Bose 18-speaker sound system. The Denali adds a 6.2-liter V8, a multicolor 15-inch diagonal Head-Up Display, a power-sliding center console, and Magnetic Ride Control. Topping the lineup, the Denali Ultimate combines all Denali standard features with Super Cruise, a 24-inch selective machined and painted After Midnight Metallic aluminum wheel option, Air Ride Adaptive Suspension, and the available Bose 18-speaker sound system — making it the most complete and luxurious expression of the Yukon XL lineup.

The 2026 GMC Yukon XL Denali Ultimate is more than a large SUV — it's a statement of capability, refinement, and innovation. From its powerful engine options and advanced driver assistance technology to its deeply luxurious three-row interior, this full-size SUV is purpose-built for those who refuse to compromise. Explore the full Yukon XL lineup and find the right trim for your lifestyle today.