2026 GMC Sierra 3500HD in Baton Rouge, LA
2026 GMC Sierra 3500HD
*MSRP Starting at $75,000
TOP FEATURES
AVAILABLE TOW UP TO
30,800 LBS.1
AVAILABLE
DURAMAX® 6.6L TURBO-DIESEL V8 ENGINE
WITH 975 LB.-FT. OF TORQUE AND 470 HP
WORLD’S FIRST
SIX-FUNCTION MULTIPRO™ TAILGATE
WITH AVAILABLE KICKER® AUDIO SYSTEM2
Overview of the 2026 GMC Sierra 3500 HD
The 2026 GMC Sierra 3500HD stands as GMC's flagship heavy-duty workhorse, engineered for serious hauling demands. This full-size pickup delivers exceptional capability through multiple powertrain configurations, including the available Duramax 6.6L turbo-diesel V8 generating substantial torque for maximum towing capacity exceeding 36,000 pounds. Available in Regular Cab, Double Cab, and Crew Cab configurations with multiple bed lengths, the Sierra 3500HD accommodates diverse commercial and personal needs.
Technology Highlights
GMC equipped the Sierra 3500HD with professional-grade technology including the available GMC infotainment system with large touchscreen display supporting wireless smartphone integration. Advanced trailering technologies like Pro Grade Trailering System provide comprehensive trailer monitoring capabilities. Safety features encompass automatic emergency braking, blind spot monitoring, and available surround-view camera systems enhancing visibility during complex maneuvering.
Design & Styling
The Sierra 3500HD projects commanding presence through bold exterior styling featuring GMC's signature grille design and robust proportions. Multiple trim levels range from work-focused base configurations to luxury Denali variants with premium interior appointments. Durable bed construction incorporates innovative cargo management solutions and available spray-in bedliner protection for maximum utility.
Awards & Accolades
J.D. Power consistently recognizes GMC trucks for dependability and owner satisfaction. The Sierra heavy-duty lineup has earned automotive journalist praise for towing capability and build quality, establishing GMC's reputation in the competitive heavy-duty segment for reliability and performance. Experience heavy-duty excellence at Gerry Lane Buick GMC in Baton Rouge.
Shop the 2026 GMC Sierra 3500HD Today!
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.
- Requires a 3500 HD Denali Crew Cab DRW model with available Duramax 6.6L Turbo-Diesel V8 engine, Gooseneck/Fifth Wheel Prep package and gooseneck/fifth-wheel hitch. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
- Non-GM warranty. Limited warranty by KICKER®, 3 years/36,000 miles, whichever comes first. For more information, contact your dealer.