
New GMC Sierra 2500 HD Trucks

*Market Price Adjustment: The price has been adjusted to reflect current supply and demand market conditions. The market adjustment is in addition to MSRP. While great effort is made to ensure the information listed on our website is correct and accurate, there may be instances where OEM rebates, incentives, dealer-added options, dealer discounts, or vehicle features might be listed incorrectly as we get information from multiple data providers. The consumer must confirm the details of any vehicle (such as what factory rebates you may or may not qualify for) with the dealer to ensure its accuracy. All vehicles are subject to prior sale. All prices are with approved credit or cash purchase and do not include bank fees that may apply to special financing. Advertised prices and availability are subject to change without notice. Please call and verify the details and availability of the vehicle. Price includes rebates, incentives, and dealer discounts. Tax, title, license & dealer fees are not included. It may not be available with special finance or lease offers. See the dealer for complete details. The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees, and optional equipment. The dealer sets the final price.
Unleash the Power and Precision of the New 2026 GMC Sierra 2500 HD in San Antonio
Power, precision, and versatility are three words that describe the New 2026 GMC Sierra 2500 HD, which is a leader in heavy-duty trucks. The GMC truck acts as a true workhorse by effectively combining rugged performance and sophisticated technologies, translating into driving at a level beyond one's expectations. The GMC Sierra 2500 HD is powerful enough to handle nearly any job and we have it here at South San Antonio Buick-GMC, your local dealership near Boerne, TX, Selma, TX, Pleasanton, TX, and San Marcos, TX.
Performance and Towing
The 2026 GMC Sierra 2500HD offers a choice of two formidable powertrains. The standard 6.6L V8 gas engine delivers 401 horsepower and 464 pound-feet of torque, while the available Duramax 6.6L Turbo-Diesel V8 cranks out an impressive 470 horsepower and 975 pound-feet of torque. Both engines are paired with a smooth-shifting 10-speed automatic transmission for seamless power delivery. When properly equipped, the GMC Sierra 2500HD can tow up to 18,500 pounds, making it an ideal choice for hauling heavy equipment or trailers around San Antonio job sites.
Interior and Exterior
The GMC Sierra 2500HD makes a powerful impression with its chiseled hood, prominent grille, and muscular stance. Chrome accents and available LED lighting lend a premium touch, while the MultiPro tailgate offers six unique functions for easier loading and accessing the cargo bed. Inside the spacious cab, you'll find supportive seating, quality materials, and intentional design that blends comfort and functionality. Higher trims like the Denali elevate the GMC Sierra 2500HD's style with exclusive exterior details and leather-appointed interiors.
Advanced Technology
Stay connected and in command with the GMC Sierra 2500HD's advanced technology features. The available 13.4-inch diagonal Premium GMC Infotainment System with Google built-in puts navigation, voice assistance, and smartphone integration at your fingertips. HD Surround Vision provides a high-resolution digital overhead image of the area around your truck, enhancing visibility in tight spaces. And with up to 15 available camera views, including the innovative transparent trailer view, you can navigate crowded San Antonio streets and back up to a trailer with confidence.
Safety Features
The 2026 GMC Sierra 2500HD is engineered with your safety in mind. Available driver assists like Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert, and Automatic Emergency Braking provide an extra layer of protection on the road. The ProGrade Trailering System includes an in-vehicle Trailering App with customized trailer profiles, pre-departure checklists, and trailer tire pressure and temperature monitoring for a safer, more convenient towing experience in San Antonio.
GMC Sierra 2500HD Trim Levels
Choose the Sierra 2500HD that fits your style and needs with a range of well-equipped trim levels:
- Pro: Work-ready capability with standard trailering package and trailering mirrors
- SLE: Additional comfort and convenience features like a MultiPro tailgate and LED fog lamps
- SLT: Leather-appointed seating, heated steering wheel, and advanced safety tech
- AT4: Off-road ready with Rancho shocks, skid plates, and available Mud Terrain tires
- AT4X: Premium off-road performance with front/rear e-locking differentials and 18" wheels with 35" tires
- Denali: The ultimate expression of professional grade with premium materials and exclusive exterior details
- Denali Ultimate: First class luxury and innovation, including Super Cruise hands-free driver assist tech
Test Drive a New 2026 GMC Sierra 2500HD Around San Antonio Today
The New GMC Sierra 2500 HD is a favorite stand-out as you consider purchasing your next heavy-duty truck. With its diverse trims, roomy interior, rugged exterior, and excellent towing capacity and performance, this truck is designed for more. The GMC Sierra 2500 HD can be experienced first-hand at South San Antonio Buick GMC. Test drive one and discover why this is not just a vehicle but a reliable friend in your journeys. Welcome to GMC Sierra 2500 HD, the new standard of power and precision. South San Antonio Buick GMC is where your trip for a better driving experience begins.
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South San Antonio Buick GMC
8155 Interstate 35 Access Rd
San Antonio, TX 78224
- Sales: (726) 800-7969
