2025 GMC Sierra 2500 HD

The Pro is defined by a bold, functional design featuring animated LED projector headlamps, 17-inch machined aluminum wheels, and a durable cargo bed engineered for long-lasting resilience. Moving up, the SLE and SLT introduce elevated touches of refinement, from animated taillamps and fog lamps to rain-sensing wipers and power-folding trailering mirrors, complemented by the versatile MultiPro™ Tailgate. For drivers seeking off-road authority, the AT4 and AT4X stand ready with factory-installed lift kits, gloss-black aluminum wheels, heavy-duty skid plates, and up to 35-inch Goodyear® mud-terrain tires. The AEV Special Edition builds upon this foundation, integrating stamped steel elements and distinctive Salta wheels for a commanding stance. At the pinnacle of elegance, the Denali trim showcases a signature chrome grille, polished aluminum wheels, and chrome assist steps, while the Denali Ultimate redefines the class with its exclusive Vader Chrome grille, ultra-bright machined wheels with gloss-black accents, illuminated power steps, and striking premium lighting.?

The 2025 Sierra 2500 offers formidable engine options renowned for performance and reliability. The standard 6.6L V8 gas engine generates 401 hp and 464 lbs.-ft. of torque, ensuring commanding performance whether on Stephenville’s highways or at a rugged job site. For those who demand maximum hauling strength and efficiency, the available 6.6L Duramax® Turbo-Diesel V8 delivers 470 hp and an astounding 975 lbs.-ft. of torque. Paired with the proven Allison® 10-speed automatic transmission, this engine ensures seamless power delivery and the confidence to take on any challenge, from towing horse trailers to hauling equipment across the Texas countryside.

The Sierra 2500 HD has been engineered for class-leading performance, delivering a Best-in-Class maximum towing capacity of 22,500 lbs. when properly equipped. Advanced trailering technologies such as the ProGrade® Trailering System and up to 14 available camera views—including the innovative Transparent Trailer View—offer unmatched control and visibility. With available four-wheel drive, traction remains assured across unpredictable terrain, from muddy ranch fields to gravel backroads. For those who push limits off the pavement, the AT4 and AT4X trims provide off-road suspension systems, Rancho® twin-tube shocks, and a rear e-locking differential, ensuring stability and confidence even in the most challenging environments.

Inside, the Sierra 2500 HD surrounds occupants with a blend of luxury and functionality. Premium materials set the tone, with the Denali and Denali Ultimate offering details such as open-pore wood trim, forge-perforated leather seating, and refined metal accents. Best-in-Class 16-way power front seats with massage functionality make long days behind the wheel remarkably comfortable, whether commuting into Fort Worth or traveling across Texas for work. Technology takes center stage with a 13.4-inch center touchscreen—the largest in its class—featuring wireless Apple CarPlay® and Android Auto™, while a 12.3-inch driver information display ensures vital data is always at hand. Thoughtful touches, including ample storage and a versatile center console, enhance daily usability without sacrificing sophistication.

Safety remains a core priority in the Sierra 2500 HD, supported by GMC’s most advanced driver assistance technologies. The standard Pro Safety Package includes features such as Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, and Front Pedestrian Braking. Adaptive Cruise Control with Trailering is available to optimize safety during long-distance towing, while HD Surround Vision provides a bird’s-eye view of the truck’s surroundings for effortless parking and maneuvering. With these innovations, the Sierra 2500 HD ensures both driver and passengers can travel with confidence, whether venturing through the streets of Stephenville or navigating the open Texas highways.