New 3500 HD

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Vehicle prices below Manufacturer's Suggested Retail Price (MSRP) include factory rebates typically applicable to Customers in the western region and discounts for program qualifying financing. (Customers from most other regions may qualify for the same rebates.) To receive the lowest listed price, Customers must qualify for additional Dealer and Manufacturer programs. Not all Customers will qualify. Prices do not include taxes, license, title, or registration fees, or the $499.00 Dealer Doc fee. Contact us for an explanation of pricing terms and conditions. Prices are subject to inventory availability, Manufacturer program availability, and Dealer program applicability. Inventory is limited and subject to prior sale. Available offers and prices usually change after month-end. We welcome all types of Trade Ins, whether they be vehicles or goods. Nothing that eats though please. We frequently confirm all information is accurate, but errors occur, so please call to confirm pricing and program applicability. Dealer is not responsible for clerical errors. **With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 4.9% interest and 20% downpayment. At Dennis Dillon we are so confident in our "Guaranteed Best Pricing" we will beat any price by $500 based on the following guidelines: • Vehicles must be new and have the same MSRP. • Vehicles must be the same Year, Make, Model, and have the same equipment. • Customer must have a purchase agreement signed and dated by a sales manager from the competing dealer. • Customer information and incentive eligibility must be the same as used in the competing offer. • Deal must be finalized in the same calendar month as the date of the signed purchase agreement from the competing dealer. • Demonstrators, service loaners, commercial and government fleet vehicles, limited production vehicles, special model vehicles (determined at the Dealership's sole discretion), and vehicles with over 200 miles do not qualify for this policy. • Dennis Dillon must have the right to purchase the vehicle from the competing dealer. • This offer applies to the new vehicle price after applicable incentives, and does not include accessories, trade-allowance, or any other item affecting the final sale price. • This offer applies to the vehicle price only, and does not include accessories, protections, dealer doc fee, taxes, registration, or title fees. *Best pricing is offered at the Dealership's sole discretion and is subject to change at any time without prior notice. The Dealership reserves the right to refuse to offer best pricing at any time, to any customer, for any vehicle. Please contact the Dealership if you have questions about our best pricing policy.

GMC Sierra 3500 for Sale Boise ID


The GMC Sierra 3500 is built for Idaho drivers who depend on real strength and long-lasting capability. From hauling equipment across job sites to towing campers toward weekend destinations, this heavy-duty truck blends power with the comfort you’ll appreciate during long hours behind the wheel. At Dennis Dillon GMC, you can explore the latest Sierra 3500 trims and features right here on our website.

Power and Capability for Every Job


The GMC Sierra 3500 delivers serious capability with its high-output engines, advanced trailering hardware, and impressive payload potential. Contractors, ranchers, and outdoor-focused drivers count on it for hauling gear, equipment, or toys with confidence. 4WD and a heavy-duty suspension setup help manage rougher terrain or challenging work conditions around the Treasure Valley.

Inside, the cabin brings a calmer, more refined space. Supportive seating, well-placed controls, and noise-reduction materials help keep long drives more relaxed, something Boise drivers value on commutes, supply runs, and weekend trips.

For drivers who balance job demands with family schedules, the Sierra 3500 offers capability without sacrificing everyday usability. It is also set to provide years of dependable performance since GMC is one of the longest-lasting car brands according to a study done by iSeeCars.*

Start Your Sierra 3500 Search Online


Browsing online is a helpful way to compare trims, available engines, bed lengths, and towing-focused packages. Our inventory tools show real-time availability and pricing so you can narrow options before visiting the dealership.

You can also check your trade-in value and explore estimated monthly payments through our online calculators. Having these details up front makes your in-person visit smoother and more focused on choosing the right truck.

Financing Solutions for Boise Drivers


Our finance team supports both personal and business-focused buyers. They walk through leasing and financing options, explain terms clearly, and help you understand how your monthly payment is calculated. With pre-approval available online, many drivers arrive with a head start on the process.

When you visit, our specialists review all available offers and answer questions at your pace. The goal is a straightforward, confident financing experience from beginning to end.

FAQs

What is the towing capacity of the Sierra 3500?

When properly equipped, the Sierra 3500 can tow more than 36,000 pounds with the diesel engine, making it a fit for large trailers and heavy equipment.

Does the Sierra 3500 have advanced towing technology?

Yes. Features like the available ProGrade Trailering System and multiple camera views help simplify hitching, backing up, and maneuvering.

Is the Sierra 3500 suitable for daily driving in Boise?

Absolutely. Even with its heavy-duty focus, it offers a comfortable cabin, smooth ride, and modern tech that work well for commuting and everyday travel across the Treasure Valley.

Shop Online for a New GMC Sierra 3500 in Boise ID


Our Dennis Dillon GMC team is here to help you find the right truck for your work, life, and adventures across Boise and beyond. Scroll through our Sierra 3500 inventory online now and reach out to set up a test drive in the configuration you find to be the best fit.

*Source: iSeeCars

Get in Touch

  • Contact our Sales Department at: (208) 336-6000
  1. Dennis Dillon GMC

    2495 S ORCHARD
    BOISE, ID 83705

    • Sales: (208) 336-6000
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  • Monday9:00 am - 8:00 pm
  • Tuesday9:00 am - 8:00 pm
  • Wednesday9:00 am - 8:00 pm
  • Thursday9:00 am - 8:00 pm
  • Friday9:00 am - 8:00 pm
  • Saturday9:00 am - 7:00 pm
  • SundayClosed

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