2026 GMC Sierra 2500HD

*MSRP Starting at $46,700

Overview of the GMC Sierra 2500HD

The 2026 GMC Sierra 2500HD near Las Vegas delivers serious heavy-duty performance with two powerhouse engine options. Choose the dependable 401-horsepower 6.6-liter gas V8 or upgrade to the impressive Duramax turbo-diesel producing 470 horsepower and 975 pound-feet of torque. Both pair with a smooth 10-speed automatic transmission. While EPA doesn’t test vehicles this heavy, real-world testing shows the diesel achieving around 17 mpg highway – respectable for a truck that tows up to 22,500 pounds when properly equipped.

Technology Highlights

GMC packed the Sierra 2500HD with smart tech features. Standard equipment includes a 7-inch touchscreen with wireless Apple CarPlay and Android Auto, upgradeable to a massive 13.4-inch display with Google Built-in. Safety comes standard with automated emergency braking, lane-departure warning, and automatic high-beams. Available upgrades include blind-spot monitoring and GMC’s innovative 15-view camera system – essential when maneuvering 8,700 pounds of truck through tight spaces.

Design & Styling

The Sierra strikes the perfect balance between rugged capability and refined sophistication. Available in Regular, Double, and Crew cab configurations with standard or long beds, there’s a setup for every need. The exterior styling is bold yet premium, especially with chrome accents on higher trims. Inside, thoughtful touches include GMC’s MultiPro tailgate with six configurations and luxury amenities like massaging seats in Denali Ultimate trim.

Awards & Accolades

The Sierra 2500HD consistently earns industry recognition. U.S. News ranked the 2025 model #3 in Heavy-Duty Trucks with an 8.9/10 score, while J.D. Power awarded it an 82/100 predicted reliability score in the “Great” category. Car and Driver praised its surprisingly smooth ride quality and refined handling compared to competitors.
Ready to experience the Sierra 2500HD? Visit Fairway Buick GMC near Las Vegas for a test drive.

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The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Dealer sets final price. Click here to see all GMC vehicles' destination freight charges.

1. Safety or driver assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. Read the vehicle Owner’s Manual for important feature limitations and information. Some camera views require available accessory camera and installation. Not compatible with all trailers. See your dealer for details.
2. Based on latest competitive data available.