The 2025 Sierra HD is a powerhouse that combines brute strength with refined luxury, making it stand out in the heavy-duty truck segment. With impressive towing capabilities, advanced technology, and premium interior comforts, it handles tough jobs while keeping you in the lap of luxury. At Hiley Buick GMC of Fort Worth, Texas, we’re proud to offer the GMC Sierra HD lineup, including the GMC Sierra 2500 HD Denali and Denali Ultimate.
The 2025 Sierra HD lineup offers a range of trims to suit every driver’s needs, whether you’re searching for luxury, off-road capabilities, or heavy-duty performance. From advanced trailering technology to premium materials and powerful engine options, each trim level delivers outstanding performance on and off the road.
The Pro trim is the entry point into the Sierra HD lineup, offering essential features with robust performance. Powered by a 6.6L V8 gas engine paired with an Allison 10-speed automatic transmission, this model provides a strong foundation for any heavy-duty task. Standard features include a trailering package, trailering mirrors, and a trailer brake controller, making it well-equipped for towing right from the start.
While maintaining a focus on functionality, the Pro trim offers a balance of performance and practicality. It seamlessly integrates essential technology with wireless Apple CarPlay and Android Auto compatibility, ensuring you stay connected on the road.
The SLE trim adds a layer of comfort and technology to the Sierra HD experience. Building on the Pro’s features, the SLE introduces a 13.4-inch diagonal center touchscreen and a 12.3-inch digital driver information center, which elevate the cabin’s technology. With this trim, you also enjoy the Traction Select System with Tow/Haul mode, enhancing the driving and towing experience through tailored performance settings.
Aesthetically, the SLE stands out with 17-inch machined aluminum wheels, offering a refined yet rugged look. Available features, such as the MultiPro Tailgate and up to 13 camera views, including a transparent trailer view, provide added convenience and functionality.
The Sierra HD SLT trim perfectly balances comfort and utility. It includes key features such as 10-way power-adjustable front seats for personalized comfort and a heated steering wheel to keep your hands warm on chilly Fort Worth mornings. Its available Duramax 6.6L Turbo-Diesel V-8 engine and robust Allison 10-speed automatic transmission ensure impressive towing power and smooth handling.
If you tow regularly, the ProGrade Trailering System comes with an in-vehicle trailering app to make hauling more intuitive with real-time updates and pre-departure checklists. The MultiPro Tailgate adds versatility to your cargo management, functioning as a work surface or step for convenient truck bed access.
The SLT also upgrades your technology experience with its 13.4-inch center touchscreen and 12.3-inch digital driver information center. These displays bring all your essential controls into one easy-to-navigate interface, making the SLT both functional and refined.
The AT4 trim is ideal if you’re an off-road enthusiast who demands rugged capability without compromising style or comfort. This truck can handle challenging terrain with its Off-Road Suspension Package, twin-tube Rancho shocks, skid plates, and exclusive 20-inch gloss-black aluminum wheels with optional BFGoodrich off-road tires.
Inside the cabin, you’ll enjoy premium comforts, such as heated and ventilated leather seating surfaces with Jet Black and Kalahari accents. The available 15-inch head-up display provides useful driving data, including off-road inclinometer details, directly in your sightline.
With up to 14 available camera views and HD Surround Vision technology, navigating trails or parking is much more manageable. Adaptive cruise control enhances safety while towing or driving in traffic by automatically adjusting your speed based on surrounding vehicles.
The GMC Sierra 2500 HD Denali redefines luxury in a heavy-duty truck. Its iconic chrome grille and Ultra-Bright machined wheels give it an unmistakably premium appearance. Inside, the Denali delivers a world of comfort with its open-pore wood accents, patterned aluminum trim, and 12-way power-adjustable heated and ventilated perforated leather front seats.
Under the hood, the Denali offers the option for a Duramax 6.6L Turbo-Diesel V-8 engine that can handle just about any job you throw at it. When you pair that with its ProGrade Trailering System and In-Vehicle Trailering App, this truck is ready for serious towing while keeping you in full control. The Denali offers advanced technological features, including a 13.4-inch center touchscreen.
For extreme off-road capability combined with GMC’s signature luxury touches, look no further than the AT4X trim. This model blends power and refinement seamlessly with its factory-installed 1.5-inch suspension lift, Multimatic DSSV dampers, and rear electronic-locking differential for unmatched performance on challenging terrains.
The Obsidian Rush interior screams exclusivity with full-grain leather seating surfaces, technical-grain leather accents, and authentic Vanta ash wood materials. The massage function in the 16-way power front seats ensures long drives remain comfortable no matter where you travel.
With large steel skid plates protecting vital components and advanced trailering technology, such as up to 14 camera views with transparent trailer mode, this trim is ideal for adventurers who won’t settle for less than premium performance.
The Denali Ultimate reaches new heights of sophistication in the heavy-duty truck segment. With a starting MSRP of $92,800, it offers top-tier features, including a Duramax 6.6L Turbo-Diesel V-8 engine paired with an Allison 10-speed automatic transmission for reliable power and efficiency.
Inside the cabin is pure opulence. The full-grain Alpine Umber leather seating features laser-etched topographical maps of Mt. Denali’s summit, open-pore Paldao wood trim, and cutting-edge amenities, including a 15-inch multicolor head-up display and a Bose Premium Series sound system with Centerpoint surround sound.
The Denali Ultimate exterior features a signature Vader Chrome grille that complements its exclusive 20-inch Ultra-Bright machined aluminum wheels. Advanced trailering technologies include an auxiliary trailer camera to make towing tasks seamless while maintaining style and control. Whether you’re seeking the ultimate luxury or heavy-duty functionality with flair, the Denali Ultimate stands above the rest in every way imaginable.
If you want the perfect truck that balances heavy-duty performance with luxury, browse our new inventory to find one that matches your lifestyle and needs. Check our new specials for exclusive deals on the GMC Sierra HD Denali for sale. Visit our finance center for flexible financing options and apply online using our prequalification form. Whether you’re considering the Denali HD price or looking for a GMC 2500 for sale in Texas, we’re here to help. If you have any questions or want to book a test drive, don’t hesitate to contact us.