Prices starting at: $38,300

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Learn More About Buying a 2025 GMC Sierra 1500 in Collinsville

Visit Mark Allen Buick GMC for a great deal on a new 2025 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 Collinsville Area. At our GMC dealership you will find competitive prices, a stocked inventory of 2025 GMC Sierra 1500 cars and a helpful sales team. Stop by our car dealership today and take a 2025 GMC for a spin.

2025 GMC Sierra 1500 Truck

2025 GMC Sierra 1500 AT4

Engine: 6.2L EcoTec3 V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black with Kalahari accents, Perforated leathe
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2025 GMC Sierra 1500 Truck

2025 GMC Sierra 1500 Elevation

Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Cardinal Red, Interior Color: Jet Black, Cloth seat trim
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2025 GMC Sierra 1500 Truck

2025 GMC Sierra 1500 Elevation

Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Cardinal Red, Interior Color: Jet Black, Cloth seat trim
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2025 GMC Sierra 1500 Truck

2025 GMC Sierra 1500 Pro

Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Cloth seat trim
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2025 GMC Sierra 1500 Truck

2025 GMC Sierra 1500 Pro

Engine: TurboMax™ engine, Transmission: Automatic, Exterior Color: Thunderstorm Gray, Interior Color: Jet Black, Cloth seat trim
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 AT4

Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black with Kalahari accents, Perforated leathe
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 AT4

Engine: 6.2L EcoTec3 V8 engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black with Kalahari accents, Perforated leathe
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 AT4

Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Volcanic Red Tintcoat, Interior Color: Jet Black with Kalahari accents, Perforated leathe
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 AT4

Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Summit White, Interior Color: Jet Black with Kalahari accents, Perforated leathe
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2026 GMC Sierra 1500 Truck

2026 GMC Sierra 1500 AT4

Engine: 3.0L Duramax® Turbo Diesel engine, Transmission: Automatic, Exterior Color: Volcanic Red Tintcoat, Interior Color: Jet Black with Kalahari accents, Perforated leathe
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View All New GMC Sierra 1500
2023 GMC Sierra 1500 Truck Crew Cab

2023 GMC Sierra 1500 AT4X

  • Price$51,870
  • Doc Fee$489
  • Final Price$52,359
Engine: 6.2L V-8 cyl, Transmission: Automatic, Mileage: 57,606 miles, Exterior Color: Sterling, Interior Color: Obsidian Rush
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2023 GMC Sierra 1500 Truck Crew Cab

2023 GMC Sierra 1500 Denali

  • Price$50,870
  • Doc Fee$489
  • Final Price$51,359
Engine: 5.3L V-8 cyl, Transmission: Automatic, Mileage: 38,250 miles, Exterior Color: Onyx Black, Interior Color: Jet Black, Forge perforated leather seat trim
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2023 GMC Sierra 1500 Truck Crew Cab

2023 GMC Sierra 1500 Denali

  • Price$48,210
  • Doc Fee$489
  • Final Price$48,699
Engine: 6.2L V-8 cyl, Transmission: Automatic, Mileage: 77,208 miles, Exterior Color: Volcanic Red Tintcoat, Interior Color: Atmosphere/Brownstone, Forge perforated leather se
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2023 GMC Sierra 1500 Truck Double Cab

2023 GMC Sierra 1500 Pro

  • Price$30,870
  • Doc Fee$489
  • Final Price$31,359
Engine: 5.3L V-8 cyl, Transmission: Automatic, Mileage: 21,735 miles, Exterior Color: Onyx Black, Interior Color: Jet Black, Cloth seat trim
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2022 GMC Sierra 1500 Truck Crew Cab

2022 GMC Sierra 1500 SLT

  • Price$39,404
  • Doc Fee$489
  • Final Price$39,893
Engine: 5.3L V-8 cyl, Transmission: Automatic, Mileage: 63,441 miles, Exterior Color: White Frost Tricoat, Interior Color: Dark Walnut/Slate, Perforated leather-appointed fr
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2021 GMC Sierra 1500 Truck Crew Cab

2021 GMC Sierra 1500 SLT

  • Price$35,830
  • Doc Fee$489
  • Final Price$36,319
Engine: 6.2L V-8 cyl, Transmission: Automatic, Mileage: 80,458 miles, Exterior Color: Summit White, Interior Color: Jet Black, Perforated leather-appointed front outb
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2022 GMC Sierra 1500 Truck Crew Cab

2022 GMC Sierra 1500 AT4

  • Price$39,740
  • Doc Fee$489
  • Final Price$40,229
Engine: 6.2L V-8 cyl, Transmission: Automatic, Mileage: 111,147 miles, Exterior Color: Summit White, Interior Color: Jet Black
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2021 GMC Sierra 1500 Truck Crew Cab

2021 GMC Sierra 1500 SLT

  • Price$21,620
  • Doc Fee$489
  • Final Price$22,109
Engine: 3.0L I-6 cyl, Transmission: Automatic, Mileage: 153,717 miles, Exterior Color: Summit White, Interior Color: Jet Black, Perforated leather-appointed front outb
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2017 GMC Sierra 1500 Truck Crew Cab

2017 GMC Sierra 1500 SLE

  • Price$16,460
  • Doc Fee$489
  • Final Price$16,949
Engine: 5.3L V-8 cyl, Transmission: Automatic, Mileage: 192,891 miles, Exterior Color: Summit White, Interior Color: JET BLACK, CLOTH SEAT TRIM
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2018 GMC Sierra 1500 Truck Crew Cab

2018 GMC Sierra 1500 SLT

  • Price$18,460
  • Doc Fee$489
  • Final Price$18,949
Engine: 5.3L V-8 cyl, Transmission: Automatic, Mileage: 178,617 miles, Exterior Color: Summit White, Interior Color: DARK ASH SEATS WITH JET BLACK INTERIOR ACCENTS, PE
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View All Pre-Owned GMC Sierra 1500

GMC (1)

Sierra 1500 Truck (18)

2026

Manufacturer Offer

For Well-Qualified Buyers When Financed w/ GM Financial

  1. 0.0% APR for 36 months
  2. 2.9% APR for 48 months
  3. 5.9% APR for 60 months
  4. 5.9% 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 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 11/03/2025. 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. 2.9% APR for a term of 48 months corresponds to a monthly cost of $22.09 per $1000 financed. 5.9% APR for a term of 84 months corresponds to a monthly cost of $14.56 per $1000 financed. 5.9% APR for a term of 72 months corresponds to a monthly cost of $16.53 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. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Purchase Allowance

  1. $1,750 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 11/03/2025. (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 11/03/2025. (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 11/03/2025. (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 11/03/2025. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

National GMC Cash - Restricted

  • Applies to this new 2026 GMC Sierra 1500.

$1,750 Purchase Allowance + $1,750 Bonus Cash $3,500 Total Cash Allowance

Disclaimer(s)
  • 2026 GMC Sierra 1500 w/TurboMax. Not available with special finance or lease offers. Take new retail delivery by 11-03-2025. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

SCR GMC Lease - Restricted

  • Applies to this new 2026 GMC Sierra 1500.

Ultra Low-Mileage Lease for Well-Qualified Lessees. $299/month for 24 months. $6,786 due at signing (after all offers). Tax, title, license, and dealer fees extra. $0 security deposit. Mileage charge of $0.25 /mile over 20,000 miles at participating dealers.

Disclaimer(s)
  • Example based on survey. Each dealer sets own price. $299/month for 24 months. Your payments may vary. For eligible new and unused models leased through GM Financial. Payments are for a 2026 GMC Sierra 1500 Short Box Crew Cab 4WD Elevation w/TurboMax with an MSRP of $57,495. Based on due at signing amount of $6,786 (after all offers). 24 monthly payments total $7,176. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Take new retail delivery by 11-03-2025. 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. $3,000 Cash
  • Applies to this new 2026 GMC Sierra 1500

Disclaimer(s)
  • Must trade in a 2011 model year or newer vehicle. Not available with lease and some other offers. Must take new retail delivery by 11/03/2025. (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 01/02/2026. (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 01/02/2026. (See Trims)
  • See State Disclaimer *

2025

Manufacturer Offer

For Well-Qualified Buyers When Financed w/ GM Financial

  1. 0.0% APR for 36 months
  2. 2.9% APR for 48 months
  3. 5.9% APR for 60 months
  4. 5.9% APR for 72 months
  • Applies to this new 2025 GMC Sierra 1500

For Well-Qualified Buyers When Financed w/ GM Financial

Disclaimer(s)
  • 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 10.8%. Not available with leases and some other offers. Must take new retail delivery by 11/03/2025. 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. 2.9% APR for a term of 48 months corresponds to a monthly cost of $22.09 per $1000 financed. 5.9% APR for a term of 84 months corresponds to a monthly cost of $14.56 per $1000 financed. 5.9% APR for a term of 72 months corresponds to a monthly cost of $16.53 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. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Purchase Allowance

  1. $2,750 Cash
  • Applies to this new 2025 GMC Sierra 1500

Disclaimer(s)
  • Not available with special financing, lease and some other offers. Must take new retail delivery by 11/03/2025. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Bonus Cash

  1. $1,750 Cash
  • Applies to this new 2025 GMC Sierra 1500

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 11/03/2025. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

Bonus Cash

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

Disclaimer(s)
  • Not available with some other offers. Must take new retail delivery by 11/03/2025. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

National GMC Cash - Restricted

  • Applies to this new 2025 GMC Sierra 1500.

$2,750*Purchase Allowance Plus $1,750*Bonus Cash Plus $3,500**GMC Loyalty Cash

Disclaimer(s)
  • 2025 GMC Sierra 1500 w/TurboMax. *Not available with special finance or lease offers. **Must show proof of a current ownership or lease of a 2011 model year or newer select GM vehicle at least 30 days prior to the new vehicle sale. Take new retail delivery by 11-03-2025. (See Trims)
  • See State Disclaimer *
Manufacturer Offer

SCR GMC Lease - Restricted

  • Applies to this new 2025 GMC Sierra 1500.

Ultra Low-Mileage Lease for Well-Qualified Lessees. $299/month for 24 months. $7,264 due at signing (after all offers). Tax, title, license, and dealer fees extra. $0 security deposit. Mileage charge of $0.25 /mile over 20,000 miles at participating dealers.

Disclaimer(s)
  • Example based on survey. Each dealer sets own price. $299/month for 24 months. Your payments may vary. For eligible new and unused models leased through GM Financial. Payments are for a 2025 GMC Sierra 1500 Short Box Crew Cab 4WD Elevation w/TurboMax with an MSRP of $57,095. Based on due at signing amount of $7,264 (after all offers). 24 monthly payments total $7,176. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Take new retail delivery by 11-03-2025. 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

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 01/02/2026. (See Trims)
  • See State Disclaimer *
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 01/02/2026. (See Trims)
  • See State Disclaimer *

Interested in a different GMC? Click a link below and find the GMC that fits your lifestyle.

 

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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