Shop the New 2026 GMC Sierra 2500 at South Texas Buick GMC in McAllen, TX
The new GMC Sierra 2500HD stands tall, boasting exceptional capabilities and innovative features that redefine the standard for workhorse vehicles. The Sierra 2500HD lineup, consisting of the Pro, SLE, SLT, AT4, Denali, and Denali Ultimate trims, offers various options to cater to different needs and preferences. With its striking design, robust performance, advanced technology, and top-notch safety features, the new GMC Sierra 2500HD represents a remarkable fusion of power and luxury. That's why we at South Texas Buick GMC in McAllen, TX have added it to a top list in our showroom.
*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.
Unrivaled Performance and Towing
At the heart of the GMC Sierra 2500HD lies your choice of two incredibly powerful engines. The standard 6.6L V8 gas engine pumps out an impressive 401 horsepower and 464 pound-feet of torque. For even more muscle, opt for the available Duramax 6.6L Turbo-Diesel V8, which unleashes 470 horsepower and a colossal 975 pound-feet of torque. Properly equipped, the Sierra 2500HD can tow well over 21,000 pounds - enough for the biggest trailers and heaviest equipment in McAllen.
Bold and Refined Design
The 2026 Sierra 2500HD makes a strong first impression with its commanding presence. The chiseled hood, imposing grille, and distinctive C-shaped LED lighting all contribute to the truck's bold, confident stance. Available features like power assist steps, MultiPro tailgate, and chrome accents further enhance both style and function.
Advanced Technology at Your Fingertips
Step inside the spacious cabin and you'll find the GMC Sierra 2500HD loaded with intuitive tech to keep you connected and in control. The centerpiece is the expansive 13.4-inch infotainment system with Google built-in, providing seamless access to navigation, voice assistance, wireless Apple CarPlay and Android Auto, and more. Add on the Technology Package for a multi-color Head-Up Display and HD Surround Vision camera system.
Confidence-Inspiring Safety
GMC takes your safety seriously, which is why the GMC Sierra 2500HD comes standard with the Sierra HD Pro Safety package. This comprehensive suite includes Forward Collision Alert, Lane Departure Warning, Automatic Emergency Braking, and more. Available blind spot monitoring, rear cross traffic alert, and front/rear park assist provide extra peace of mind when driving around McAllen, TX.
Trims and Configurations
With seven distinct trim levels, the 2026 GMC Sierra 2500HD lets you choose your ideal balance of capability and comfort:
- Pro: 17" steel wheels, vinyl seats, 7" infotainment, trailering package
- SLE: 17" aluminum wheels, cloth seats, 13.4" infotainment, LED fog lamps
- SLT: 18" wheels, leather seats, heated steering wheel, MultiPro tailgate
- AT4: 18" wheels, off-road suspension, mud terrain tires, skid plates
- AT4X: 18" gloss black wheels, Multimatic DSSV dampers, 12-speaker Bose audio
- Denali: 20" polished wheels, Forge leather seats, power assist steps, HD Surround Vision
- Denali Ultimate: 20" wheels, full-grain leather, 16-way massaging seats, rear camera mirror
Visit Our GMC Sierra 2500 Dealership in McAllen, Texas
No matter which GMC Sierra 2500HD you choose, South Texas Buick-GMC has a great selection of new GMC trucks for sale in McAllen, TX. Our friendly sales team can help match you with the perfect heavy-duty pickup for your needs. We also offer competitive financing and a state-of-the-art service center to keep your Sierra running strong for years to come. Stop by our McAllen, TX GMC dealership today to experience the unparalleled capability of the 2026 GMC Sierra 2500HD along with our full lineup of new GMC models for sale in McAllen, TX. We serve drivers from Brownsville, TX, Edinburg, TX, San Benito, TX, Weslaco, TX, and Rio Grande Valley, TX.
Contact Us For More Info On the GMC Sierra 2500
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SOUTH TEXAS BUICK-GMC
4220 W Exp 83
McAllen, TX 78501
- Sales: (956) 467-1305
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