2026 GMC Sierra HD in El Paso, TX
Shop the New 2026 GMC Sierra HD at Casa Buick GMC
When it comes to strength, refinement, and innovation, the 2026 GMC Sierra HD sets the standard for heavy-duty trucks. Designed to tackle demanding jobs while delivering first-class comfort, this powerhouse pickup is built for drivers who expect more from their vehicle. Whether you’re towing equipment to the job site or hauling your weekend toys, the Sierra HD combines muscle and modern technology to get it done with confidence and style.
If you're located in Las Cruces, Horizon City, or West El Paso or nearby, make Casa Buick GMC your destination for the 2026 GMC Sierra HD. Explore our inventory today and experience the difference for yourself.
View Inventory2026 GMC Sierra HD Features
DURAMAX 6.6L TURBO-DIESEL V8 ENGINE
Under the hood, the 2026 Sierra HD boasts the legendary available Duramax 6.6L Turbo-Diesel V8 engine paired with a smooth 10-speed automatic transmission. This powerful combination delivers exceptional torque, optimized fuel efficiency, and reliable towing capability—perfect for handling demanding work or weekend adventures without compromise.
ADVANCED TRAILERING TECH
Take the stress out of towing with the Sierra HD’s advanced trailering technology. Equipped with intelligent systems like available Transparent Trailer View, Trailer Side Blind Zone Alert, and Hitch Guidance with Hitch View, this truck gives you the confidence and visibility you need for a seamless towing experience.
LUXURIOUS MATERIALS
Inside the Sierra HD Denali Ultimate, sophistication meets craftsmanship. Enjoy the premium Alpine Umber interior featuring full-grain leather seats, intricate plaited stitching, and exclusive laser-etched topographical maps inspired by its namesake mountain. Every detail is designed to elevate comfort and showcase precision GMC design.
LED PROJECTOR HEADLAMPS AND SIGNATURE LIGHTING
Turn heads day or night with the Sierra HD’s bold exterior lighting. The advanced LED projector headlamps deliver superior illumination, while the animated signature lighting sequences add a distinctive flair every time you approach or start the vehicle. It’s not just a truck—it’s a statement of precision and power.
Experience the 2026 GMC Sierra HD at Casa Buick GMC
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Price doesn’t reflect Casa Protection plan at total of $2897; $1299 carrX, $999 Triton appearance, $599 loyalty advantage.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.