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*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.

New GMC Sierra 1500 AT4 For Sale in San Antonio

If you're in the market for a full-size pickup that combines rugged capability and premium refinement, the 2025 GMC Sierra 1500 AT4 is an outstanding choice. This impressive truck is available now at South San Antonio Buick GMC, serving the greater San Antonio area. With its powerful performance, advanced technology, and off-road prowess, the Sierra AT4 is ready for any adventure.

Uncompromising Performance and Off-Road Capability

Under the hood, the 2025 Sierra AT4 offers two impressive engine options. The available 6.2-liter V8 delivers a robust 420 horsepower and 460 pound-feet of torque to tackle tough jobs with ease.

For those seeking maximum efficiency, the available 3.0-liter Duramax Turbo-Diesel provides a strong 305 horsepower and 495 pound-feet of torque. Both engines are paired with a smooth-shifting 10-speed automatic transmission for seamless power delivery.

When you're ready to leave the pavement behind, the Sierra AT4 is more than up to the task. Its standard 4WD system provides excellent traction and control in challenging off-road conditions around San Antonio.

The AT4 also features a specially-tuned off-road suspension, protective skid plates, and aggressive Goodyear Wrangler Territory MT tires to navigate rugged terrain confidently. Whether you're heading out to the trails near Laredo or taking on a weekend adventure, the Sierra AT4 is engineered to perform.

A Refined and High-Tech Interior

Step inside the 2025 GMC Sierra AT4, and you'll find a spacious, well-appointed cabin loaded with premium amenities. The perforated leather front seating is stylish and comfortable, with standard heating for added luxury. The heated leather-wrapped steering wheel adds an extra touch of refinement for chilly mornings in Selma, TX.

At the rear, the Sierra AT4's innovative MultiPro tailgate offers six unique functions for easier cargo access and maximum versatility on the job site. Loading and unloading is a breeze thanks to this game-changing design.

Technology takes center stage in the Sierra AT4 with a large, vibrant infotainment touchscreen. This intuitive system includes built-in navigation to help you find your way around the San Antonio area.

Enjoy your music and media with impressive clarity through the premium Bose audio system. And with wireless charging and multiple USB ports, it's easy to keep your devices powered up on the go. The Sierra AT4 is the perfect truck for tech-savvy drivers in Boerne, TX, and beyond.

Advanced Safety Features for Added Peace of Mind

When it comes to safety, the 2025 GMC Sierra AT4 has you covered. Every model comes standard with the GMC Pro Safety suite, a comprehensive collection of driver assistance technologies.

Automatic Emergency Braking can help mitigate or avoid frontal collisions, providing extra protection in Pleasanton, TX, and beyond. Lane Keep Assist with Lane Departure Warning helps keep you centered in your lane, even during long highway trips.

Maneuvering the Sierra AT4 is easier than ever, thanks to Front and Rear Park Assist. This system alerts you to nearby objects when parking, taking the stress out of navigating tight spots. With the HD Surround Vision camera system, you'll have a clear bird's eye view around your truck for added confidence in busy urban environments like downtown San Antonio.

  

Find Your Sierra 1500 AT4 at South San Antonio Buick GMC

Ready to experience the 2025 GMC Sierra 1500 AT4 for yourself? Visit South San Antonio Buick GMC today to explore this incredible truck in person. Our friendly team can walk you through all the features and capabilities that make the Sierra AT4 stand out from the competition.

We offer competitive financing and leasing options to help you confidently get behind the wheel of your dream truck. Our goal is to make your truck buying experience as smooth and enjoyable as possible.

Contact us today to schedule a test drive of the Sierra 1500 in San Antonio. Once you're in the driver's seat of the AT4, you'll see why this truck is ready for any challenge the road ahead holds. We look forward to serving you at South San Antonio Buick GMC.

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  1. South San Antonio Buick GMC

    8155 Interstate 35 Access Rd
    San Antonio, TX 78224

    • Sales: (726) 800-7969
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  • Contact our Sales Department at: (726) 800-7969
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