The 2025 GMC Yukon XL is one of the largest and most capable full-size SUVs available for families, road-trip drivers, and buyers who need serious passenger and cargo space. For 2025, GMC refreshed the Yukon family with updated styling, a redesigned interior, improved technology, and more available features. The Yukon XL takes the standard Yukon formula and adds a significantly longer body, making it especially attractive for people who need maximum interior room.
With seating for up to eight people, a large cargo area, powerful V8 engines, an available Duramax diesel, advanced towing technology, and upscale Denali versions, the 2025 GMC Yukon XL combines utility with premium-SUV comfort. GMC lists the 2025 Yukon XL SLE starting at $70,900 before additional costs, while higher trims can move well beyond $100,000.
What Is the 2025 GMC Yukon XL?
The 2025 GMC Yukon XL is the extended-wheelbase version of the GMC Yukon. While both SUVs share engines, technology, styling, and much of their interior design, the Yukon XL is substantially longer.
GMC lists the 2025 Yukon XL at 225.2 inches in overall length, compared with 210.1 inches for the regular Yukon. More importantly for families, the XL provides 41.5 cubic feet of cargo space behind the third row and 36.7 inches of third-row legroom.
That additional space makes the Yukon XL particularly useful when all three rows are occupied. Many three-row SUVs offer limited luggage room behind the third row, but the Yukon XL is designed to carry passengers and their belongings simultaneously.
The 2025 model also received a substantial interior and technology update. The dashboard features a large integrated display, while the lower dashboard design improves forward visibility compared with the previous-generation layout.
2025 GMC Yukon XL Engine Options and Performance
The 2025 GMC Yukon XL offers several powertrain choices, allowing buyers to prioritize power, efficiency, or towing capability.
The available 6.2-liter V8 produces 420 horsepower and 460 lb-ft of torque and works with a 10-speed automatic transmission.
For buyers who want strong low-speed torque and better long-distance fuel efficiency, GMC also offers a 3.0-liter Duramax turbo-diesel inline-six. It produces 305 horsepower and 495 lb-ft of torque. For 2025, the diesel became available across more of the lineup, including the AT4 and AT4 Ultimate trims.
A 5.3-liter V8 is also available in the Yukon family, giving buyers another gasoline option between the smaller diesel and larger 6.2-liter V8.
The Yukon XL is not designed to feel like a sports SUV. Its priority is smooth power, confident highway performance, towing ability, and comfortable transportation. The available V8 engines provide substantial acceleration despite the vehicle’s enormous size.
Yukon XL Size, Cargo Space, and Interior Comfort
The biggest reason to choose the 2025 GMC Yukon XL over the standard Yukon is interior space.
The XL provides 41.5 cubic feet behind the third row, which is substantially more useful for large families than many conventional three-row SUVs. GMC’s current Yukon information also lists up to 93.6 cubic feet behind the second row for the Yukon XL, depending on configuration.
Third-row passengers benefit from 36.7 inches of legroom, giving the XL genuine usability for adults and older children.
The cabin can be configured for up to eight passengers, depending on the seating arrangement. Buyers can choose different second-row configurations depending on trim and equipment.
For 2025, GMC significantly updated the dashboard and technology. The interior has a large central display and a more modern design intended to provide a premium atmosphere. The redesigned dashboard also sits lower, improving the driver’s forward view.
Higher trims add more luxury, with Denali and Denali Ultimate versions offering upgraded materials, distinctive styling, premium seating, and additional technology.
2025 GMC Yukon XL Technology and Safety
Technology is an important part of the 2025 Yukon XL experience. GMC equipped the refreshed SUV with a large infotainment display and a broad range of available connectivity and driver-assistance technologies.
One of the most notable available features is Super Cruise, GMC’s hands-free driver-assistance system for compatible roads. It can make long highway journeys less tiring by helping with steering and other driving tasks under appropriate conditions.
The Yukon XL can also be equipped with advanced camera and trailering technologies. GMC’s trailering system is designed to make hitching, monitoring, and towing easier by providing additional information and camera views.
Available safety and convenience technologies can include automatic emergency braking, lane-keeping assistance, blind-zone monitoring, adaptive cruise control, parking assistance, and enhanced camera systems, depending on trim and package.
Because the Yukon XL is extremely large, these technologies can be especially valuable when parking, changing lanes, maneuvering in crowded areas, or towing.
Towing Capacity and AT4 Capability
The 2025 GMC Yukon XL is also a serious towing vehicle. Depending on configuration and equipment, GMC lists Yukon models with available towing capacity of up to 8,400 pounds. Exact capacity depends on the engine, drivetrain, equipment, and trailer configuration.
The available AT4 trim gives the Yukon XL a more adventurous character. It adds off-road-oriented equipment and styling, making it more suitable for drivers who regularly travel beyond paved roads.
The AT4’s higher ground clearance, specialized suspension and traction equipment, and available four-wheel drive make it a compelling option for buyers who want a large family SUV that can also handle outdoor adventures.
However, the Yukon XL remains a very large vehicle. Its size can be challenging on narrow trails, in older parking garages, and on crowded city streets.
2025 GMC Yukon XL Trims and Pricing
The 2025 GMC Yukon XL lineup gives buyers several choices, from practical SLE models to highly luxurious Denali Ultimate versions.
GMC’s published 2025 pricing shows the Yukon XL SLE starting at $70,900 before applicable fees and options.
The SLT adds more comfort and convenience equipment, while the AT4 targets buyers who want a more rugged appearance and off-road capability. The Denali focuses on luxury, premium materials, distinctive exterior styling, and advanced equipment.
At the top of the lineup, the Denali Ultimate is designed to compete with high-end luxury SUVs. Buyers should remember that options can raise the final price substantially. Car and Driver noted that heavily equipped Yukon models can become considerably more expensive than their starting prices.
For 2026 buyers considering a used 2025 GMC Yukon XL, condition, mileage, maintenance history, drivetrain, trim, and installed options should all be considered when comparing prices.
Is the 2025 GMC Yukon XL Worth Buying?
The 2025 GMC Yukon XL makes the most sense for buyers who genuinely need a huge SUV. Its strongest advantages are cargo capacity, third-row space, towing ability, powerful engines, premium trim options, and long-distance comfort.
The Duramax diesel is particularly attractive for drivers who travel many highway miles or value strong torque. The 6.2-liter V8 is better suited to buyers who want maximum gasoline-engine performance.
The biggest disadvantages are equally clear. The Yukon XL is expensive, enormous, and fuel-hungry with the gasoline engines. Parking and maneuvering require more attention than they do in smaller SUVs. Car and Driver similarly highlights the Yukon’s size and gasoline-engine fuel consumption among its drawbacks.
For a large family, however, the extra space can be worth the compromise.
Final Thoughts
The 2025 GMC Yukon XL is built for people who refuse to compromise on interior space. Its 225.2-inch length, 41.5 cubic feet of cargo space behind the third row, available 420-hp V8, 305-hp Duramax diesel, advanced technology, and premium Denali trims make it one of the most capable full-size SUVs in its class.
If maximum passenger room, cargo capacity, towing capability, and long-distance comfort are the priorities, the 2025 GMC Yukon XL remains a compelling choice in 2026. It is not the easiest SUV to park or the cheapest to operate, but its combination of size, strength, comfort, and versatility is difficult to match.