Olympic Chevrolet Buick GMC

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

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2026 GMC Sierra 3500HD

Discover the 2026 GMC Sierra 3500 HD

Looking for a powerful truck near Huron, SD? Meet the 2026 GMC Sierra 3500 HD. This heavy-duty workhorse tows up to 36,000 lbs** (trim dependent) and produces up to 470 hp*** via a Duramax® 6.6L turbo-diesel V-8, with a gasoline option available. The Multipro™ Tailgate is now available on more models, and 2026 sees new paint finishes available.

Technology Plus Safety

Base trims come with a 7-inch infotainment center, or opt for the Elevation or SLE models for the 8-inch variant, with top-of-the-line models offering a 13.4-inch touchscreen. Every 2026 GMC Sierra 3500 HD offers wireless smart device connectivity. For safety, expect lane departure warnings, automated emergency braking, and more.

2026 GMC Sierra 3500HD

2026 GMC Sierra 3500HD Trim Levels

2026 GMC Sierra 3500HD Denali

*Starting at $75,000
2026 GMC Sierra 3500HD Denali

2026 GMC Sierra 3500HD Denali Ultimate

*Starting at $93,800
2026 GMC Sierra 3500HD Denali Ultimate
2026 GMC Sierra 3500HD

Styled for Work and Life

Style your exterior for rugged work days or adventurous leisure activities, complementing the bold looks of the 2026 GMC Sierra 3500 HD with a range of striking paint finishes. Ask about the ProGrade trailering system, with up to 14 different camera views for effortless hitching. Inside, keep your truck as spartan or as luxurious as you like.

Award-Winning Power

The 2026 GMC Sierra 3500 HD is the latest in an award-winning range. Previous models have won residual value awards from respected automotive experts at J.D. Power, showing what a great investment this truck can be. Learn more and book your test drive today at Olympic Chevrolet Buick GMC, Huron, SD.

2026 GMC Sierra 3500HD
2026 GMC Sierra 3500HD

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.

  1. 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.
  2. Non-GM warranty. Limited warranty by KICKER®, 3 years/36,000 miles, whichever comes first. For more information, contact your dealer.