New GMC Sierra 3500 HD For Sale in Idaho

Price excludes required taxes, title, license, other governmental fees and includes a $549 dealer documentation service fee.

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Call (208) 943-9075 to secure your new GMC Sierra 3500 HD at Dave Smith Motors!

New GMC Sierra 3500 HD for Sale at Dave Smith Motors in Kellogg, Idaho

The new GMC Sierra 3500 HD is a one-ton heavy-duty truck built for the heaviest commercial, ranching, and recreational towing tasks - combining brute capability with GMC's signature premium feel. As the top GM Heavy Duty dealer in the Northwest, Dave Smith Motors stocks hundreds of new Sierra 3500 HD trucks at our Kellogg, Idaho dealership, including hard-to-find dually configurations, Duramax diesel models, and fully loaded Denali Ultimate HDs. Buyers from ranches, fleets, and hotshot operations across the United States fly into Kellogg specifically because finding a properly spec'd Sierra 3500 HD locally is rare almost anywhere else. Browse our full new GMC lineup, our Heavy Duty Headquarters, or our complete new vehicle inventory.

New Sierra 3500 HD Trims, Engines, and Maximum Towing

The new Sierra 3500 HD delivers a maximum gooseneck towing capacity of up to 36,000 lbs when properly equipped, with the available 6.6L Duramax Turbo-Diesel V8 producing 470 horsepower and 975 lb-ft of torque paired with the heavy-duty Allison 10-speed automatic transmission. Choose between the Duramax diesel or the 6.6L EcoTec3 V8 gas engine (401 horsepower), plus single rear wheel (SRW) or dual rear wheel (DRW / dually) configurations depending on payload and towing needs. Maximum payload reaches over 7,290 lbs in dually configuration. The Sierra 3500 HD includes the class-exclusive MultiPro Tailgate and available Super Cruise on Denali Ultimate HD.

  • Pro - Heavy-duty work truck for ranching, hotshot hauling, and commercial use. Available in SRW or DRW.
  • SLE - Value-driven HD trim with chrome accents and Uconnect-grade infotainment tech.
  • SLT - Mid-luxury HD with leather seating, premium audio, and chrome detailing.
  • AT4 - Off-road-focused HD with raised suspension, all-terrain tires, and skid plates.
  • Denali - Luxury HD for one-ton buyers with quilted leather, real wood trim, and premium audio.
  • Denali Ultimate HD - Ultra-luxury HD flagship with Alpine Umber leather, hand-stitched interior surfaces, full-color heads-up display, and standard Super Cruise.

For lighter-duty options, see the Sierra 2500 HD or Sierra 1500.

Why Buy Your Sierra 3500 HD at Dave Smith Motors?

Buying a one-ton heavy-duty truck is a major investment. Here's why drivers from Alaska to Florida choose the top GM Heavy Duty dealer in the Northwest for their Sierra 3500 HD:

  • Deepest HD Inventory in the Region - Over 1,500 new vehicles on the ground, including hundreds of Duramax-equipped Sierra 3500 HD trucks, hard-to-find duallys, and fully loaded Denali Ultimate HDs local dealers don't stock.
  • Volume Pricing - We sell more new GMC HD trucks than almost anyone, allowing us to post Low-Low-Low prices upfront. No haggling, no games, same price for every customer.
  • Fly & Drive - Fly into Spokane International Airport (GEG), take our free shuttle to our Kellogg, Idaho showroom (about 90 minutes east), and drive your new Sierra 3500 HD home.
  • Commercial & In-House Financing - Our 10 finance specialists work with 50+ lenders to secure approvals for prime, near-prime, and credit-challenged buyers, plus business and commercial financing programs for fleet, ranching, and Section 179 tax benefits.
  • Transparent Trade-In - Get a Kelley Blue Book (KBB) valuation for your current vehicle online before you arrive, with the full value applied to your new Sierra 3500 HD purchase.

GMC Sierra 3500 HD Shopping FAQs

How much can a new GMC Sierra 3500 HD tow?

A properly equipped new Sierra 3500 HD tows up to 36,000 lbs with a gooseneck or fifth-wheel hitch - among the highest tow ratings in the heavy-duty pickup segment. Maximum payload reaches over 7,290 lbs in dually (DRW) configuration. Maximum towing requires the 6.6L Duramax Turbo-Diesel V8 paired with the Allison 10-speed automatic transmission, the dually configuration, and a properly equipped Max Trailering Package.

What's the difference between SRW and DRW (dually) on a Sierra 3500 HD?

SRW (Single Rear Wheel) Sierra 3500 HDs have one wheel per side at the rear axle and offer easier daily driving, narrower body width, and lower payload capacity. DRW (Dual Rear Wheel / Dually) Sierra 3500 HDs have two wheels per side, providing significantly higher payload capacity, better stability under heavy fifth-wheel and gooseneck loads, and the ability to safely carry heavier truck campers and large trailers. Buyers towing 30+ foot fifth-wheel RVs, horse trailers, or commercial loads typically choose dually; daily-driver one-ton buyers often choose SRW.

When should I choose a Sierra 3500 HD over a Sierra 2500 HD?

Choose the Sierra 3500 HD if you regularly tow more than 18,000 lbs, haul payloads over 3,500 lbs, need a dually configuration for fifth-wheel stability, or use your truck for commercial hotshot or ranching work. The 3500 HD offers significantly higher payload (up to 7,290 lbs vs ~3,900 lbs on the 2500 HD), higher gross vehicle weight rating, and the dually option the 2500 HD doesn't offer. The Sierra 2500 HD is the better choice if your towing typically stays under 18,000 lbs, you prefer narrower SRW-only daily drivability, or you want the off-road AT4X HD trim, which is exclusive to the 2500 platform.

Where can I find the best prices on a new Sierra 3500 HD near me?

Dave Smith Motors offers the best upfront prices on new GMC Sierra 3500 HD trucks in the country, with fixed Low-Low-Low pricing posted publicly on every Pro, SLE, SLT, AT4, Denali, and Denali Ultimate HD in our Kellogg, Idaho inventory. As the top GM Heavy Duty dealer in the Northwest, our HD volume pricing beats local lots by thousands.

Can I buy a new Sierra 3500 HD if I live out of state?

Yes. Dave Smith Motors sells to buyers in all 50 U.S. states. Fly into Spokane International Airport (GEG), take our complimentary shuttle to Kellogg, and drive your new Sierra 3500 HD home - most paperwork is completed by phone, email, and e-signature before you arrive. If you can't make the trip, we arrange shipping directly to your home or business.


Dave Smith Motors - 210 North Division Street,  Kellogg, Idaho 83837 | (208) 943-9075