Prices starting at: $38,300

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Learn More About Buying a 2026 GMC Sierra 1500 in Boulder

Visit Mike Maroone GMC for a great deal on a new 2026 GMC Sierra 1500. Our sales team is ready to show you all of the features that you will find in the GMC Sierra 1500 and take you for a test drive in the Boulder Area. At our GMC dealership you will find competitive prices, a stocked inventory of 2026 GMC Sierra 1500 cars and a helpful sales team. Stop by our car dealership today and take a 2026 GMC for a spin.

2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Pro

  • MSRP$50,865
  • Dealer Discount1 $4,906
  • Market Price$45,959
  • Dealer Handling Fee$895
  • Advertised Price$46,854
  • Offers$4,000
  • Advertising Price $42,854
  • Conditional Offers$4,000
Engine: 5.3L EcoTec3 V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Elevation

  • MSRP$56,795
  • Dealer Discount1 $5,774
  • Market Price$51,021
  • Dealer Handling Fee$895
  • Advertised Price$51,916
  • Offers$3,250
  • Advertising Price $48,666
  • Conditional Offers$4,500
Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Elevation

  • MSRP$57,290
  • Dealer Discount1 $5,373
  • Market Price$51,917
  • Dealer Handling Fee$895
  • Advertised Price$52,812
  • Offers$3,250
  • Advertising Price $49,562
  • Conditional Offers$4,500
Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Cloth seat trim
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Elevation

  • MSRP$57,290
  • Dealer Discount1 $5,373
  • Market Price$51,917
  • Dealer Handling Fee$895
  • Advertised Price$52,812
  • Offers$3,250
  • Advertising Price $49,562
  • Conditional Offers$4,500
Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Cloth seat trim
View Details
2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Elevation

  • MSRP$56,795
  • Dealer Discount1 $3,537
  • Market Price$53,258
  • Dealer Handling Fee$895
  • Advertised Price$54,153
  • Offers$3,250
  • Advertising Price $50,903
  • Conditional Offers$4,500
Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Cloth seat trim
View Details
2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 SLT

  • MSRP$68,090
  • Dealer Discount1 $8,213
  • Market Price$59,877
  • Dealer Handling Fee$895
  • Advertised Price$60,772
  • Offers$2,000
  • Advertising Price $58,772
  • Conditional Offers$4,000
Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Perforated leather-appointed front outb
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Elevation

  • MSRP$65,505
  • Dealer Discount1 $3,775
  • Market Price$61,730
  • Dealer Handling Fee$895
  • Advertised Price$62,625
  • Offers$2,000
  • Advertising Price $60,625
  • Conditional Offers$4,000
Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Cloth seat trim
View Details
2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Elevation

  • MSRP$68,000
  • Dealer Discount1 $3,956
  • Market Price$64,044
  • Dealer Handling Fee$895
  • Advertised Price$64,939
  • Offers$4,000
  • Advertising Price $60,939
  • Conditional Offers$4,000
Engine: 5.3L EcoTec3 V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black, Leather-appointed front seat trim
View Details
2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 SLT

  • MSRP$69,430
  • Dealer Discount1 $7,312
  • Market Price$62,118
  • Dealer Handling Fee$895
  • Advertised Price$63,013
  • Offers$2,000
  • Advertising Price $61,013
  • Conditional Offers$4,000
Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Perforated leather-appointed front outb
View Details
2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 Elevation

  • MSRP$69,005
  • Dealer Discount1 $7,474
  • Market Price$61,531
  • Upfits$895
  • Net Price$62,426
  • Dealer Handling Fee$895
  • Advertised Price$63,321
  • Offers$2,000
  • Advertising Price $61,321
  • Conditional Offers$4,000
Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Leather-appointed front seat trim
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View All New GMC Sierra 1500
2017 GMC Sierra 1500 Truck Crew Cab

2017 GMC Sierra 1500 Denali

Engine: 6.2L V-8 cyl, Transmission: Automatic, Mileage: 183,629 miles, Exterior Color: Onyx Black, Interior Color: JET BLACK, PERFORATED LEATHER-APPOINTED FRONT SEAT
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2020 GMC Sierra 1500 Truck

2020 GMC Sierra 1500 SLE

Engine: 5.3L Engine: , EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T, Transmission: 8 speed automatic, Mileage: 45,696 miles, Exterior Color: Onyx Black, Interior Color: JET BLACK, CLOTH SEAT TRIM
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2023 GMC Sierra 1500 Truck

2023 GMC Sierra 1500 Denali

Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: 10 speed automatic, Mileage: 31,225 miles, Exterior Color: White Frost Tricoat, Interior Color: ATMOSPHERE/BROWNSTONE, FORGE PERFORATED LEATHER SE
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2002 GMC Sierra 1500 Truck

2002 GMC Sierra 1500

Engine: 8-Cylinder SFI OHV, Transmission: 4-Speed Automatic with Overdrive, Mileage: 156,000 miles, Exterior Color: Pewter Metallic
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2014 GMC Sierra 1500 Truck

2014 GMC Sierra 1500 SLT

Engine: 5.3L EcoTec3 V8 Flex Fuel, Transmission: 6-Speed Automatic Electronic with Overdrive, Mileage: 185,474 miles, Exterior Color: Onyx Black, Interior Color: Cocoa/Dune
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2017 GMC Sierra 1500 Truck

2017 GMC Sierra 1500 Denali

Engine: 6.2L Engine: , V-8, SIDI, Active Fuel Mgt, Transmission: Automatic, Mileage: 183,629 miles, Exterior Color: Onyx Black, Interior Color: JET BLACK, PERFORATED LEATHER-APPOINTED FRONT SEAT
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2020 GMC Sierra 1500 Truck Double Cab

2020 GMC Sierra 1500 SLE

Engine: 2.7L I-4 cyl, Transmission: Automatic, Mileage: 65,067 miles, Exterior Color: Summit White, Interior Color: JET BLACK, CLOTH SEAT TRIM
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2020 GMC Sierra 1500 Truck Crew Cab

2020 GMC Sierra 1500 SLE

Engine: 5.3L V-8 cyl, Transmission: Automatic, Mileage: 94,594 miles, Exterior Color: Summit White, Interior Color: JET BLACK, CLOTH SEAT TRIM
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2023 GMC Sierra 1500 Truck

2023 GMC Sierra 1500 Pro

Engine: 2.7L I4 Turbocharged DOHC 16V LEV3-ULEV50 310hp, Transmission: 8-Speed Automatic, Mileage: 59,453 miles, Exterior Color: Summit White, Interior Color: Jet Black
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2023 GMC Sierra 1500 Truck

2023 GMC Sierra 1500 Pro

Engine: 2.7L I4 Turbocharged DOHC 16V LEV3-ULEV50 310hp, Transmission: 8-Speed Automatic, Mileage: 54,226 miles, Exterior Color: Summit White, Interior Color: Jet Black
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View All Pre-Owned GMC Sierra 1500

GMC (1)

Sierra 1500 Truck (16)

2026

Manufacturer Offer

For Well-Qualified Buyers When Financed w/ GM Financial

  1. 0.0% APR for 48 months
  2. 0.0% APR for 60 months
  3. 2.9% APR for 72 months
  • Applies to this new 2026 GMC Sierra 1500

For Well-Qualified Buyers When Financed w/ GM Financial

Disclaimer(s)
  • 0.0% APR for 60 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $16.67 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 09/30/2026. Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 0.0% APR with $2,500 down payment provides for 60 monthly payments of $16.67 per $1000 financed for qualified buyers. 0.0% APR for a term of 48 months corresponds to a monthly cost of $20.83 per $1000 financed. 2.9% APR for a term of 72 months corresponds to a monthly cost of $15.15 per $1000 financed. The rates described are for estimation purposes only; you may not be able to finance at this rate. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

No Monthly Payments for 90 Days for Well-Qualified Buyers When Financed w/ GM Financial

  1. 0.0% APR for 36 months
  • Applies to this new 2026 GMC Sierra 1500

No Monthly Payments for 90 Days for Well-Qualified Buyers When Financed w/ GM Financial

Disclaimer(s)
  • Deferred monthly payments for 90 days. 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. 0.0% APR for 36 months for well-qualified buyers when financed w/GM Financial. Monthly payment is $27.78 for every $1000 you finance. Average example down payment is 10.0%. Not available with leases and some other offers. Must take new retail delivery by 09/30/2026. Truth in Lending Act Disclosure: Down payment will vary with APR and credit. For example, 0.0% APR with $2,500 down payment provides for 36 monthly payments of $27.78 per $1000 financed for qualified buyers. 6.9% APR for a term of 84 months corresponds to a monthly cost of $15.04 per $1000 financed. The rates described are for estimation purposes only; you may not be able to finance at this rate. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Bonus Cash

  1. $2,500 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Bonus Cash

  1. $1,750 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Bonus Cash

  1. $1,500 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Purchase Allowance

  1. $1,500 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Not available with special financing, lease and some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Bonus Cash

  1. $500 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

WER GMC Lease - Unrestricted

  • Applies to this new 2026 GMC Sierra 1500.

Ultra Low-Mileage Lease for Well-Qualified Lessees. $349/month for 24 months. For Current Lessees of 2021 model year or newer select GM vehicles : $5,359 due at signing (after all offers).** $0 security deposit. Tax, title, license, and dealer fees extra. Mileage charge of $0.25/mile over 20,000 miles at participating dealers.

Disclaimer(s)
  • **For Current Lessees of 2021 model year or newer Buick and GMC vehicles at least 30 days prior to the lease of a new GM vehicle through GM Financial : Each dealer sets own price. $349/month for 24 months. Your payments may vary. Payments are for a 2026 GMC Sierra 1500 Short Box Crew Cab 4WD Elevation w/5.3L EcoTec3 V8 with an MSRP of $60,990. Based on due at signing amount of $5,359 (after all offers). 24 monthly payments total $8,376. Must show proof of lease. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Take new retail delivery by 09-30-2026. Lessee pays for maintenance, repair, excess wear and disposition fee of $495 or less at end of lease. No security deposit required. Payments may be higher in some states. Not available with other offers. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

WER GMC Lease - Unrestricted

  • Applies to this new 2026 GMC Sierra 1500.

Ultra Low-Mileage Lease for Well-Qualified Lessees. $299/month for 24 months. For Current Lessees of 2021 model year or newer select GM vehicles : $4,659 due at signing (after all offers).** $0 security deposit. Tax, title, license, and dealer fees extra. Mileage charge of $0.25/mile over 20,000 miles at participating dealers.

Disclaimer(s)
  • **For Current Lessees of 2021 model year or newer Buick and GMC vehicles at least 30 days prior to the lease of a new GM vehicle through GM Financial : Each dealer sets own price. $299/month for 24 months. Your payments may vary. Payments are for a 2026 GMC Sierra 1500 Short Box Crew Cab 4WD Elevation w/TurboMax with an MSRP of $56,395. Based on due at signing amount of $4,659 (after all offers). 24 monthly payments total $7,176. Must show proof of lease. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Take new retail delivery by 09-30-2026. Lessee pays for maintenance, repair, excess wear and disposition fee of $495 or less at end of lease. No security deposit required. Payments may be higher in some states. Not available with other offers. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Trade Assistance

  1. $4,000 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Must trade in a 2012 model year or newer vehicle. Not available with lease and some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Trade Assistance

  1. $3,500 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Must trade in a 2012 model year or newer vehicle. Not available with lease and some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Trade Assistance

  1. $3,000 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Must trade in a 2012 model year or newer vehicle. Not available with lease and some other offers. Must take new retail delivery by 09/30/2026. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

GM First Responder Offer

  1. $500 Offer
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Must be a current Firefighter, Police, EMT/Paramedic, or 911 Dispatcher. First Responders employed by federal, state or municipal governments may be subject to restrictions that limit their ability to accept this offer. Accordingly, this offer is void unless permitted by applicable federal, state and municipal laws, regulations, rules, ordinances, policies, codes of conduct, and other directives or standards regarding ethics and gift acceptance by the applicable federal, state or municipal employees. By accepting this offer, you verify that doing so complies with all laws, regulations, policies or other restrictions regarding ethics or gift acceptance that apply to you. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmfirstresponderappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/04/2027. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

GM Military Offer

  1. $500 Offer
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Eligible military personnel includes Active Duty members, Reservists, National Guard members, Veterans and Retirees of the U.S. Army, Navy, Air Force, Marine Corps and Coast Guard. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmmilitaryappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/04/2027. (See Trims)
  • See State Disclaimer *

2025

Manufacturer Offer

GM Military Offer

  1. $500 Offer
  • Applies to this new 2025 GMC Sierra 1500

Disclaimer(s)
  • Eligible military personnel includes Active Duty members, Reservists, National Guard members, Veterans and Retirees of the U.S. Army, Navy, Air Force, Marine Corps and Coast Guard. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmmilitaryappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/04/2027. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

GM First Responder Offer

  1. $500 Offer
  • Applies to this new 2025 GMC Sierra 1500

Disclaimer(s)
  • Must be a current Firefighter, Police, EMT/Paramedic, or 911 Dispatcher. First Responders employed by federal, state or municipal governments may be subject to restrictions that limit their ability to accept this offer. Accordingly, this offer is void unless permitted by applicable federal, state and municipal laws, regulations, rules, ordinances, policies, codes of conduct, and other directives or standards regarding ethics and gift acceptance by the applicable federal, state or municipal employees. By accepting this offer, you verify that doing so complies with all laws, regulations, policies or other restrictions regarding ethics or gift acceptance that apply to you. Eligible participants are able to sponsor their spouse. At participating dealers only. Visit gmfirstresponderappreciation.com for program eligibility details and for a list of eligible vehicles. Not available with some other offers. Must provide authorization number to participating dealer prior to or at time of vehicle delivery to receive offer. Must take new retail delivery by 01/04/2027. (See Trims)
  • See State Disclaimer *

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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