
2026 GMC Sierra 2500HD & 3500HD for Sale in Austin, TX
Ready for a heavy-duty truck that handles serious work, weekend towing, and daily Austin driving with confidence? The 2026 GMC Sierra 2500HD & 3500HD at Covert Buick GMC Bee Cave is built for Central Texas drivers who need real capability — whether hauling equipment to job sites in Bee Cave, towing boats to Lake Travis, or navigating Hill Country roads near Lakeway and Dripping Springs. This powerful heavy-duty pickup combines class-leading towing, durable construction, and modern technology in a bold, no-nonsense package that’s perfect for work or play.
Explore the full selection of new GMC trucks in our new inventory online, browse used inventory for additional savings on pre-owned models, or schedule service at our state-of-the-art service department — all conveniently located at Covert Buick GMC Bee Cave, your trusted GMC dealer serving Austin, Bee Cave, The Hills, Lakeway, Hudson Bend, Lago Vista, and surrounding communities. Stop by today for a personalized test drive and to review our latest New GMC Special Offers. Our team is ready to help you configure the perfect 2026 Sierra 2500 that fits your Austin lifestyle and budget.
Starting MSRP: $47,000 (Crew Cab 4WD base; actual price set by dealer and excludes tax, title, license, dealer fees, and options).
GMC Sierra 2500HD Performance
The 2026 Sierra 2500 delivers serious heavy-duty power with two proven engine choices:
- Standard 6.6L V8 gas engine – 401 horsepower and 464 lb-ft of torque
- Available Duramax® 6.6L Turbo-Diesel V8 – 470 horsepower and an incredible 975 lb-ft of torque
Both pair with a smooth Allison® 10-speed automatic transmission for effortless shifting under load. With proper equipment, the Sierra 2500 offers maximum conventional towing up to 22,390 lbs and gooseneck/fifth-wheel ratings that make it ideal for trailers, campers, or work equipment around Central Texas.
Additional performance highlights include:
- Available electronic locking rear differential
- Integrated trailer brake controller and Trailer Reverse Steering Control
- Available Auto-Level rear air suspension for a stable ride when loaded
GMC Sierra 2500 Design
The 2026 Sierra 2500 features a commanding presence with its bold grille, LED lighting, and functional bed designed for real-world utility. Choose from multiple cab and bed configurations, including the versatile MultiPro™ tailgate with six functions and available power outlets. Inside the spacious Crew Cab, enjoy best-in-class front head and legroom, durable materials built for daily use, and available premium seating options.
GMC Sierra 2500 Technology
Stay connected and safe with the latest GMC innovations:
- 13.4-inch diagonal GMC Premium Infotainment System with Google built-in
- Wireless Apple CarPlay® and Android Auto™
- Available HD Surround Vision with Bed View Camera (up to 15 views)
- Available Super Cruise® hands-free driving assistance
- OnStar® services and advanced safety features including Automatic Emergency Braking, Forward Collision Alert, Lane Keep Assist, and Rear Cross Traffic Alert
Additional Info on New GMC Sierra 2500HD Trucks: