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2026 GMC Sierra 3500 HD Truck

2026 GMC
Sierra 3500 HD Truck

Starting at: $48,200

  • Manufacturer Offer

    No Monthly Payments Until Next Year for Well-Qualified Buyers When Financed w/ GM Financial

    * Read full offer details
    Applies to this new 2026 GMC Sierra 3500 HD

    * Disclaimer(s)

    • Deferred monthly payments until 2027. Finance charges accrue from date of financing. Must finance with GM Financial. Down payment required at signing, if applicable. Offer not available in PA. Some customers may not qualify. Not available with lease and some other offers. 4.9% APR for 48 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $22.98 for every $1000 you finance. Average example down payment is 10.0%. This is a standalone APR incentive program and not available with lease and some other offers. Must take new retail delivery by 11/02/2026. Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 4.9% APR with $2,500 down payment provides for 48 monthly payments of $22.98 per $1000 financed for qualified buyers. 4.9% APR for a term of 36 months corresponds to a monthly cost of $29.93 per $1000 financed. 6.9% APR for a term of 84 months corresponds to a monthly cost of $15.04 per $1000 financed. 6.9% APR for a term of 72 months corresponds to a monthly cost of $17 per $1000 financed. 5.9% APR for a term of 60 months corresponds to a monthly cost of $19.29 per $1000 financed. The rates described are for estimation purposes only; you may not be able to finance at this rate.

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  • Manufacturer Offer

    Purchase Allowance

    * Read full offer details
    Applies to this new 2026 GMC Sierra 3500 HD

    * Disclaimer(s)

    • Not available with special financing, lease and some other offers. Must take new retail delivery by 11/02/2026.

      See Trims

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  MSRP Engine Transmission City/Hwy mpg
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $48,200   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $49,600   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $50,300   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $51,000   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $51,700   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $51,900   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $52,100   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $52,400   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $53,100   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $53,500   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $54,500   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $54,700   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $54,900   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLE
Search New 		$55,200   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Pro 2026 GMC Sierra 3500 HD Truck Pro Search New $56,300   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLE
Search New 		$56,700   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLE
Search New 		$57,500   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLE
Search New 		$58,900   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLE
Search New 		$59,100   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLE
Search New 		$59,300   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLE
Search New 		$60,600   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLT
Search New 		$66,400   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLT
Search New 		$66,600   401-hp 6.6L 8-cyl  10-spd auto  No Data  
SLT
Search New 		$68,000   401-hp 6.6L 8-cyl  10-spd auto  No Data  
AT4
Search New 		$73,400   401-hp 6.6L 8-cyl  10-spd auto  No Data  
AT4
Search New 		$73,600   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Denali
Search New 		$76,300   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Denali
Search New 		$76,500   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Denali
Search New 		$79,300   401-hp 6.6L 8-cyl  10-spd auto  No Data  
Denali Ultimate
Search New 		$97,600   470-hp 6.6L 8-cyl  10-spd auto  No Data  
Denali Ultimate
Search New 		$97,800   470-hp 6.6L 8-cyl  10-spd auto  No Data  
Denali Ultimate
Search New 		$101,700   470-hp 6.6L 8-cyl  10-spd auto  No Data  

New GMC Dealer Showroom near Broomfield & Longmont

Are you searching for a reliable new GMC dealer for your next vehicle purchase? Look no further than Mike Maroone GMC. Our new GMC dealership is ready to support you in all that you do, including finding the right new GMC SUV or truck for you and your family. Learn why you should rely on our team today.

Why Visit Our Showroom?

Visiting our new GMC dealership's showroom means visiting an auto center that is warm and inviting. Our team is brimming with friendly, welcoming people who genuinely care about you. When you arrive, we will greet you at the door and offer complimentary snacks and beverages. We will prioritize you and why you came to us near Lafayette, CO. Here, there is nothing more important than our customers.

New GMC Vehicles for Sale in Boulder

There are many new GMC vehicles to find at our new GMC dealership. Discover models like the GMC Yukon XL, GMC Acadia, GMC Sierra 1500, and GMC Canyon. For extra quality vehicles, browse our featured new GMC vehicles inventory. Featured new vehicles are a cut above the rest, offering unique savings. Regardless of which vehicle catches your eye, we can help you bring it home.

Specials & New GMC Promotions

Our customers will find a wide array of new GMC promotions at Mike Maroone GMC. From specific vehicle savings to brand-wide incentives, you can get the savings you deserve on any new GMC SUV or truck we sell near Broomfield. To learn more about a new GMC vehicle special we offer, contact our new GMC dealership team near Louisville, CO.

Contact Our Boulder New GMC Dealership Today

Contact our team today whenever you are ready to start your shopping. We can help you navigate to our showroom or assist you directly over the phone. To start your buying process, begin with our online auto finance application. We cannot wait to serve you today.

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Mike Maroone GMC takes your privacy seriously and does not rent or sell your personal information to third parties without your consent. Read our privacy policy.

GENERAL: Options, final pricing, photographs, vehicle availability and its specifications are subject to change at any time and without notice to correct errors or as a result of changing market conditions. New vehicles prices reflect current manufacturer's applicable and eligible customer rebates which include manufacturer rebates or offers and manufacturer captive lender down payment assistance. Leases differ in factory incentives. See Mike Maroone Auto for eligibility. Availability of rebates or other incentives, is subject to restrictions including, without limitation, geographic limitations. Please contact Mike Maroone Auto for most up-to-date vehicle pricing, payment, equipment, availability, photographs, eligible customer rebate information and more. PRICING: Vehicle pricing includes all offers and incentives and dealer's delivery and handling fee of $795. Prices do not include government fees, taxes, finance charges, or transportation costs. Additional taxes apply when choosing 'Free Delivery'. Monthly payment calculator is an estimate only. EPA Estimates Only. All payments and prices are With Approved Credit. While every reasonable effort has been made to ensure display of accurate data, vehicle listings within this website may not always reflect accurate vehicle information. TEXT OPT-IN: By providing a phone number when requesting more information or filling out a contact form on this web site, you agree to be opted-in to receive text message communications on behalf of our employees and representatives. You may opt-out of these communications at any time. MERCHANDISING: Every effort is made to produce actual vehicle photos but is not always possible. Please contact a Mike Maroone Auto representative for current images. Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price. 1Dealer Discount applied to everyone