2026 GMC Yukon XL

The 2026 GMC Yukon XL is available in five distinct trim levels: Elevation, AT4, Denali, AT4 Ultimate, and Denali Ultimate. Each configuration offers a different combination of performance, capability, comfort, and advanced features. The Yukon XL Elevation establishes the lineup with a 355-horsepower 5.3L V8 engine, a spacious three-row cabin, and modern infotainment technology. The AT4 emphasizes rugged capability with standard four-wheel drive, off-road tires, and Magnetic Ride Control for enhanced handling across changing road conditions. The Denali introduces elevated comfort with heated and ventilated leather seats, a power-sliding center console, and a Head-Up Display. For drivers seeking both off-road capability and refined accommodations, the AT4 Ultimate combines Air Ride Adaptive Suspension, Super Cruise, massaging seats, full-grain leather upholstery, and an 18-speaker Bose audio system. At the top of the lineup, the Denali Ultimate offers premium features including 24-inch wheels, Air Ride Adaptive Suspension, Super Cruise hands-free driving technology, and full-grain leather seating. Drivers shopping for a 2026 GMC Yukon XL in Quincy, IL, can compare these trims at Poage Auto Plaza to find the right balance of capability and comfort.

The 2026 GMC Yukon XL offers three engine options designed to accommodate different driving and towing needs. The standard 5.3L V8 generates 355 horsepower and 383 lb-ft of torque, while the available 6.2L V8 increases output to 420 horsepower and 460 lb-ft of torque. Drivers seeking additional torque and improved fuel efficiency can choose the available 3.0L Duramax turbo-diesel inline-six engine. Producing 305 horsepower and 495 lb-ft of torque, the diesel engine is available across all five Yukon XL trims. Every engine pairs with a 10-speed automatic transmission. Rear-wheel drive is standard on select trims, while four-wheel drive is available or standard depending on the configuration. When properly equipped with rear-wheel drive and the 5.3L V8, the Yukon XL can tow up to 8,400 pounds. Fuel efficiency varies by engine, with the standard V8 delivering an estimated 15 MPG city and 20 MPG highway. The available diesel achieves up to 21 MPG city and 26 MPG highway, making it an appealing choice for extended travel. Available Magnetic Ride Control and Air Ride Adaptive Suspension further enhance ride comfort and handling, helping the Yukon XL maintain a composed driving experience.

Inside the 2026 GMC Yukon XL, spacious seating and versatile cargo capacity make this full-size SUV particularly appealing for families and drivers who regularly travel with passengers or equipment. The three-row cabin provides 42 inches of second-row legroom and 36.7 inches of third-row legroom, allowing adults to sit comfortably throughout the interior. Behind the third row, the Yukon XL offers 41.5 cubic feet of cargo space. Folding the rear seating expands maximum cargo capacity to an impressive 144.7 cubic feet, providing room for luggage, recreational equipment, and everyday essentials. Available interior upgrades include Woodland Mahogany full-grain leather upholstery, heated and ventilated seating, a power-sliding center console, and a Head-Up Display. The available Executive Seating package introduces heated, cooled, and massaging second-row seats, a dual-screen rear entertainment system, and a center console with wireless charging.

The 2026 GMC Yukon XL features a large 16.8-inch central infotainment display with Google built-in, providing access to Google Maps, Google Assistant, and other connected features. Wireless Apple CarPlay and Android Auto are standard, allowing drivers to integrate compatible smartphones without connecting a cable. Additional available technology includes a Bose 22-speaker premium audio system, an 8-inch second-row climate control display, wireless charging, and a Head-Up Display that presents important driving information within the driver's field of view. New for 2026, the Yukon XL introduces an available Key Card feature that allows drivers to lock, unlock, and start their SUV using a convenient wallet-sized card instead of a traditional key fob. For drivers who frequently tow, the available ProGrade Trailering System provides additional assistance, including trailer-specific blind-spot monitoring. The available Super Cruise system also supports hands-free driving on compatible highways, adding convenience during longer journeys.

The 2026 GMC Yukon XL offers a comprehensive selection of safety and driver-assistance technologies designed to support drivers and passengers. This generation of the Yukon XL has earned a five-star overall safety rating from the National Highway Traffic Safety Administration (NHTSA). Standard safety equipment includes Forward Collision Warning with Automatic Emergency Braking and Pedestrian Detection, Lane Keeping Assist, and Blind Zone Steering Assist. These systems help drivers monitor surrounding traffic conditions and respond to potential hazards. Available Super Cruise hands-free driving technology provides additional assistance on compatible highways, while the optional ProGrade Trailering System includes trailer-specific blind-spot monitoring to support drivers when towing. From everyday commutes to extended highway trips, the 2026 GMC Yukon XL combines advanced driver assistance with full-size SUV versatility.