The 2026 GMC Sierra 1500 in San Benito, TX

*2025 model shown

The 2026 GMC Sierra 1500 pushes the boundaries of what a premium full-size truck can be. With bold styling, cutting-edge tech, and serious strength under the hood, the GMC Sierra 1500 delivers capability and confidence in every situation. Explore the latest GMC Sierra 1500 lineup at Gillman Chevrolet GMC.

Performance and Capability

Underneath its aggressive design, this new GMC truck offers a versatile range of powertrain options built for both work and adventure. The standard engine delivers solid performance for everyday tasks, while available V8 options bring serious towing muscle and torque for more demanding jobs.

For those who prioritize fuel efficiency without compromising capability, the latest Duramax® turbo-diesel engine offers exceptional range and responsiveness. A smooth 10-speed automatic transmission is paired with select engines, ensuring confident acceleration and seamless power delivery. With available four-wheel drive and a trailering package, the GMC Sierra 1500 is always ready to go wherever the job or road leads.

Safety and Driver Assistance

GMC continues to prioritize safety with a comprehensive suite of standard and available driver-assistance technologies. The GMC Sierra 1500 features intuitive systems like Automatic Emergency Braking, Lane Keep Assist, and Following Distance Indicator to help reduce the risk of collisions. High-tech upgrades such as HD Surround Vision and available Super Cruise™ hands-free driving enhance visibility and convenience, particularly during highway travel or tight parking maneuvers. Whether you're on a long haul or a quick run across town, these systems offer added peace of mind every step of the way.

Interior Technology and Refinement

Inside, the 2026 GMC Sierra 1500 combines rugged utility with upscale amenities. The cabin is outfitted with a large digital driver display and an advanced infotainment system that supports wireless smartphone integration, personalized settings, and real-time navigation tools.

Premium materials and noise-reducing construction create a quiet, comfortable environment, especially in upper trims like Denali and AT4X, where luxury appointments meet all-terrain capability. From smart storage to heated and ventilated seats, every inch of the interior is crafted to keep drivers focused and passengers at ease.

Visit Gillman Chevrolet GMC

If you're looking for a truck that's just as comfortable at the job site as it is on the open road, the 2026 GMC Sierra 1500 is ready to rise to the occasion. Visit our GMC dealership in San Benito, TX today to take a closer look at our GMC Sierra inventory. Schedule a test drive or speak with our team about the best GMC financing options for your needs.