2026 GMC Sierra HD Trim Guide
Many drivers are drawn to the ultra-tough 2026 GMC Sierra HD. The HD lineup includes the GMC Sierra 2500 and 3500, in many available trims. We’re highlighting each option at Rick Weaver GMC.
Pro
The heavy-duty truck uses a 6.6-liter V8 engine to deliver up to 401 horsepower and 464 lb-ft of torque. It's also available with a Duramax® 6.6-liter turbo-diesel V8 engine, increasing power to 470 horsepower and 975 lb-ft of torque. It boasts best-in-class bed volume and innovative towing technology, including a Trailering Package, Trailering Mirrors, and Trailer Brake Controller.
SLE
The high-tech SLE model includes an expansive 13.4-inch touchscreen and 12.3-inch digital Driver Information Center. The capable truck also features a Traction Select System with a Tow/Haul mode. Its notable options include up to 13 available camera views and a MultiPro™ tailgate.
SLT
For enhanced towing prowess, the SLT model’s equipped with the ProGrade® Trailering System with an In-Vehicle Trailering App®. Its premium amenities include 10-way heated front seats and a heated steering wheel. The seats are also available with ventilation and perforated leather appointments.
AT4
The AT4 model boasts a Jet Black interior with Kalahari accents and climate-controlled perforated leather front seats. Outside, it features exclusive 20-inch gloss-black aluminum wheels with available BFGoodrich® off-road tires. It’s further set apart with an Off-Road Suspension Package with twin-tube Rancho shocks and skid plates.
AT4X
This 2026 GMC Sierra 2500 HD-exclusive trim features an Obsidian Rush interior with full-grain leather seating and 16-way climate-controlled front seats with massage. Its impressive off-road features include:
- Factory-installed 1.5-inch suspension lift
- Multimatic® DSSV dampers
- Rear electronic-locking differential
- Steel transfer case skid plate
- Front aluminum skid plate
Denali
One of our most refined GMC trucks is the Denali model. It features 12-way heated and ventilated front seats, Denali-exclusive authentic wood, aluminum trim, and Forge perforated leather seating surfaces. It’s also available with a large power sunroof.
Denali Ultimate
The Denali Ultimate model comes standard with the turbo-diesel engine. It boasts a signature Vader Chrome grille and 20-inch Ultra-Bright machined aluminum wheels with gloss-black inserts. The exclusive Alpine Umber interior features full-grain leather seating, authentic Paldao wood, and 16-way front seats with massage.
Explore the 2026 GMC Sierra HD in Erie, PA
We can help you determine your ideal 2026 GMC Sierra HD trim. Visit our GMC dealership in Erie, PA to get started. With our convenient GMC financing process, you can make one yours!