GMC Truck Center in McAllen, Texas

GMC Canyon Crew Cab: The Versatile Midsize Champion

The 2026 GMC Canyon Crew Cab represents the ideal balance between maneuverability and capability for drivers who want truck functionality without the full-size footprint. Powered by a turbocharged 2.7-liter 4-cylinder engine producing 310 horsepower and an impressive 430 pound-feet of torque, this midsize pickup delivers the muscle you need for towing, hauling, and conquering challenging terrain. Available with both 2WD and 4WD drivetrains paired with an 8-speed automatic transmission, the Canyon adapts seamlessly to your driving conditions in Edinburg, TX.

GMC HUMMER EV Pickup: Revolutionary Electric Performance

Experience the future of truck capability with the 2026 GMC HUMMER EV Pickup, a groundbreaking vehicle that redefines what an electric truck can accomplish. The 2X trim features dual AC electric motors generating 570 horsepower and an astounding 7,400 pound-feet of torque, providing instant acceleration and remarkable off-road prowess. For those seeking the ultimate in electric performance, the 3X trim unleashes triple AC electric motors that produce an incredible 1,000 horsepower and 11,500 pound-feet of torque. This revolutionary pickup utilizes a single-speed fixed gear transmission and standard 4WD configuration, delivering power to all wheels with seamless efficiency. The GMC HUMMER EV Pickup proves that embracing electric technology doesn't mean sacrificing truck capability or excitement.

GMC Sierra 1500: The Flagship Full-Size Truck

The 2026 GMC Sierra 1500 stands as the cornerstone of the GMC truck lineup, offering exceptional versatility across Crew Cab, Double Cab, and Regular Cab configurations. Entry-level Pro and Elevation trims feature the efficient 2.7-liter TurboMax 4-cylinder engine delivering 310 horsepower and 430 pound-feet of torque, perfect for buyers who prioritize fuel efficiency without sacrificing performance. Step up to the SLT or Denali trims and enjoy the proven 5.3-liter EcoTec3 V8 engine producing 355 horsepower and 383 pound-feet of torque, providing the traditional V8 experience truck enthusiasts in Alamo love.

The AT4 and AT4X trims cater to off-road enthusiasts with their 3-liter turbo diesel 6-cylinder engine generating 305 horsepower and an impressive 495 pound-feet of torque, ideal for those who venture beyond paved roads. For maximum performance, the Denali Ultimate trim showcases the powerful 6.2-liter EcoTec3 V8 engine with 420 horsepower and 460 pound-feet of torque, representing the pinnacle of GMC Sierra 1500 capability. With available 2WD and 4WD configurations and advanced automatic transmissions ranging from 8-speed to 10-speed units, the Sierra 1500 adapts to any task you encounter.

GMC Sierra 2500 HD: Heavy-Duty Excellence

When standard trucks simply cannot handle your workload, the 2026 GMC Sierra 2500 HD rises to the challenge with enhanced capability and durability. The standard 6.6-liter V8 engine produces 401 horsepower and 464 pound-feet of torque, paired with a robust 10-speed Allison automatic transmission that handles heavy loads with confidence. Available in Crew Cab, Double Cab, and Regular Cab configurations, this heavy-duty truck offers options for every budget and preference.

For maximum towing and hauling capability, select trims offer the formidable 6.6-liter turbo diesel V8 engine generating 470 horsepower and a massive 975 lb-ft of torque. This diesel powerplant transforms the GMC Sierra 2500 HD into an unstoppable force for commercial applications, recreational towing, and demanding work environments. Whether you choose 2WD or 4WD configuration, the GMC Sierra 2500 HD delivers the strength professionals depend on daily.

GMC Sierra 3500 HD: Maximum Capability Unleashed

The 2026 GMC Sierra 3500 HD represents the ultimate expression of GMC truck capability, engineered for the most demanding applications imaginable. Like its GMC Sierra 2500 HD sibling, the GMC Sierra 3500 HD features the powerful 6.6-liter V8 engine with 401 horsepower and 464 pound-feet of torque as standard equipment. The 10-speed Allison automatic transmission ensures smooth power delivery whether you're hauling heavy equipment in San Juan, TX, or towing substantial trailers.

Available in Crew Cab, Double Cab, and Regular Cab body styles, the GMC Sierra 3500 HD accommodates diverse needs and preferences. The Denali Ultimate trim offers the optional 6.6-liter turbo diesel V8 engine producing 470 horsepower and 975 pound-feet of torque, providing exceptional pulling power for fifth-wheel trailers, gooseneck haulers, and commercial equipment. This truck proves that maximum capability can coexist with premium comfort and sophisticated technology.

GMC Sierra EV: Electric Innovation Meets Truck Tradition

The 2026 GMC Sierra EV brings electric efficiency to the full-size truck segment without compromising the capability GMC customers expect. Standard Range trims in Elevation and Denali configurations feature dual electric motors producing 605 horsepower, providing impressive acceleration and responsive performance. Extended Range models boost output to 625-645 horsepower with torque ratings reaching 785 pound-feet, ensuring you have ample power for work and recreation.

The GMC Sierra EV lineup reaches its peak with Max Range trims, where the AT4 trim delivers 725 horsepower and the Denali model produces an exceptional 760 horsepower paired with 785 pound-feet torque. All GMC Sierra EV models feature standard 4WD capability and single-speed fixed gear transmissions, delivering instant torque and smooth acceleration. This electric truck proves that sustainable transportation and genuine truck utility can work together harmoniously.

Visit South Texas Buick-GMC Today

Discovering your ideal GMC truck begins with visiting our dealership in McAllen, TX. Whether you require a capable midsize GMC Canyon, a revolutionary GMC HUMMER EV, a versatile GMC Sierra 1500, or the heavy-duty strength of GMC Sierra 2500 HD and GMC 3500 HD models, we have the inventory and expertise to serve you.