*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.
2026 GMC Sierra 3500HD For Sale in San Antonio
If you're looking for a heavy-duty truck with uncompromising capability and advanced features, the 2026 GMC Sierra 3500HD is a top choice. At South San Antonio Buick GMC, we have a wide selection of new GMC Sierra 3500HD trucks for sale right here at our showroom on the Interstate 35 Access Road. Whether you need a workhorse for the job site or a comfortable crew cab for the family, this powerful pickup delivers.
Impressive Performance and Towing
The 2026 GMC Sierra 3500HD offers your choice of two potent engines. The standard 6.6L V8 gas engine cranks out 401 horsepower and 464 pound-feet of torque. For even more muscle, step up to the available Duramax 6.6L Turbo-Diesel V8, which unleashes 470 horsepower and a mammoth 975 pound-feet of torque. Paired with the smooth Allison 10-speed automatic transmission and robust 4WD system, the GMC Sierra 3500HD can tow over 36,000 pounds when properly equipped. That's enough pulling power to confidently haul heavy equipment around San Antonio job sites.
Bold Heavy Duty Design
The new GMC Sierra 3500HD commands attention with its chiseled hood, imposing grille, and sculpted bodysides. Distinctive LED signature lighting provides crisp illumination. The MultiPro tailgate offers six versatile functions for easier cargo loading. Multiple cab configurations are available, including Regular Cab, Double Cab, and Crew Cab with your choice of standard or long cargo beds. Inside, the spacious cabin features premium materials and an intuitive layout optimized for towing. The Denali Ultimate trim takes luxury to new heights with full-grain leather seats and open-pore wood trim.
Innovative Trailering Technology
The GMC Brand's latest trailering technologies, including up to 14 available camera views, make it easier than ever to hitch up and tow with confidence in your GMC Sierra 3500HD. The In-Vehicle Trailering App provides a pre-departure checklist, trailer tire pressure monitoring, custom trailer profiles, and more. The available 15-inch head-up display projects key trailering info close to your line of sight. Additional tech highlights include Google built-in connectivity, wireless device charging, and a Bose premium sound system.
Proactive Safety Features
The 2026 GMC Sierra 3500HD offers an array of driver assistance technologies to enhance your awareness and help you avoid hazards on the busy highways in and around San Antonio. Standard features include Automatic Emergency Braking, Front Pedestrian Braking, and IntelliBeam auto high beams. Available blind spot monitoring with trailer coverage, rear cross traffic alert, and HD Surround Vision provide added peace of mind when towing.
Well-Equipped Trim Levels
The Sierra 3500HD is available in six distinct trims, each with a unique personality:
- Pro: 18-inch wheels, corner steps, and trailering package
- SLE: Keyless entry, 13.4-inch touchscreen, heated front seats
- SLT: 18-inch alloy wheels, power-folding mirrors, leather upholstery
- AT4: Off-road suspension, skid plates, custom interior
- Denali: 20-inch wheels, adaptive ride control, premium leather
- Denali Ultimate: Power side steps, head-up display, 12-speaker Bose audio
Visit Our San Antonio GMC Sierra 3500 Dealership Today
Experience the unrivaled capability and comfort of the new GMC trucks and SUVs for sale at our San Antonio, TX dealership, including the 2026 GMC Sierra 3500HD. Visit South San Antonio Buick GMC today for a test drive and discover why the GMC Sierra is the ultimate heavy-duty truck for work and play. Make your way to our GMC Sierra 3500 dealership near dealership near Boerne, TX, Selma, TX, Pleasanton, TX, and San Marcos, TX.
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South San Antonio Buick GMC
8155 Interstate 35 Access Rd
San Antonio, TX 78224
- Sales: (726) 800-7969
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