The 2025 GMC Sierra 2500 HD is a testament to GMC’s commitment to blending exceptional power with refined design. Whether you’re towing heavy loads or seeking comfort on long drives, the Sierra 2500 HD delivers on all fronts. Customers in Stephenville, TX, can experience this impressive heavy-duty truck’s capabilities and features firsthand at Bruner GMC Chevy Stephenville.
Duramax Turbo-Diesel Power
At the heart of the 2025 GMC Sierra 2500 HD is its powerful Duramax 6.6-liter turbo-diesel V8 engine. This powerhouse produces 470 horsepower and 975 pound-feet of torque, ensuring you have the strength to tackle any job. With advanced trailering technologies and a maximum towing capacity of up to 21,870 pounds, the Sierra 2500 HD is built for serious work.
Advanced features like the 10-speed automatic transmission and smart towing assist systems make hauling even the heaviest loads a smooth and confident experience. Whether you’re navigating highways or rugged terrain, the Sierra 2500 HD performs with unmatched reliability.
2025 GMC Sierra 2500 HD Trim Levels: Tailored to Your Needs
Pro and SLE: Practical Power
The Pro trim offers best-in-class cargo bed volume and standard trailering features, making it ideal for those who prioritize utility. The SLE trim takes it a step further, adding a 13.4-inch diagonal touchscreen and enhanced trailering capabilities, ensuring every drive is both functional and connected.
SLT and AT4: Elevated Comfort and Off-Road Capability
For drivers who value both comfort and capability, the SLT trim includes premium leather seats, heated options, and advanced trailering systems. If off-road adventures are your calling, the AT4 trim is equipped with Rancho shocks, skid plates, and 20-inch gloss-black wheels for superior durability and style.
Denali and Denali Ultimate: Luxury Redefined
The Denali and Denali Ultimate trims showcase the pinnacle of luxury in the 2025 GMC Sierra 2500 HD. With features like full-grain leather seating, massaging front seats, and signature chrome accents, these trims exude sophistication. The Denali Ultimate also includes a 12-speaker Bose sound system and exclusive interior materials, making every drive feel first-class.
Technology and Innovation
Keeping drivers informed and entertained, the Sierra 2500 HD features a 13.4-inch diagonal infotainment system with Google built-in compatibility. Additionally, the available 15-inch Head-Up Display projects key information onto the windshield, ensuring you stay focused on the road. Safety technologies such as adaptive cruise control and up to 14 camera views provide added confidence when towing or navigating tight spaces.
Visit Bruner GMC Chevy in Stephenville, TX, Today
Ready to experience the 2025 GMC Sierra 2500 HD for yourself? Visit Bruner GMC Chevy in Stephenville, TX, to explore its features and discover the perfect trim level for your needs. Test drive one today to see why it’s a top choice in heavy-duty trucks.

