Prices starting at: $72,600

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Learn More About Buying a 2026 GMC Yukon XL in O'Fallon

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

2026 GMC Yukon XL SUV

2026 GMC Yukon XL Elevation

  • MSRP$80,800
  • Discount$8,000
  • Price$72,800
  • Doc Fee$599
  • Final Price$73,399
  • Conditional Offers$1,000
Engine: 5.3L V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, CoreTec/Perforated leather-appointed se
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2026 GMC Yukon XL SUV

2026 GMC Yukon XL Elevation

  • MSRP$80,800
  • Discount$8,000
  • Price$72,800
  • Doc Fee$599
  • Final Price$73,399
  • Conditional Offers$1,000
Engine: 5.3L V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, CoreTec/Perforated leather-appointed se
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2026 GMC Yukon XL SUV

2026 GMC Yukon XL Elevation

  • MSRP$85,670
  • Doc Fee$599
  • Final PricePlease Call
Engine: 5.3L V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Dark Atmosphere/Gideon, CoreTec/Perforated leather
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2026 GMC Yukon XL SUV

2026 GMC Yukon XL Elevation

  • MSRP$86,365
  • Discount$8,000
  • Price$78,365
  • Doc Fee$599
  • Final Price$78,964
  • Conditional Offers$1,000
Engine: 5.3L V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, CoreTec/Perforated leather-appointed se
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2026 GMC Yukon XL SUV

2026 GMC Yukon XL AT4

  • MSRP$85,550
  • Discount$8,000
  • Price$77,550
  • Doc Fee$599
  • Final Price$78,149
  • Conditional Offers$1,000
Engine: 5.3L V8 engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Forest Storm with Mahogany Accents, Perforated lea
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2026 GMC Yukon XL SUV

2026 GMC Yukon XL Elevation

  • MSRP$80,800
  • Discount$8,000
  • Price$72,800
  • Doc Fee$599
  • Final Price$73,399
  • Conditional Offers$1,000
Engine: 5.3L V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, CoreTec/Perforated leather-appointed se
View Details
2026 GMC Yukon XL SUV

2026 GMC Yukon XL AT4

  • MSRP$88,045
  • Discount$8,000
  • Price$80,045
  • Doc Fee$599
  • Final Price$80,644
  • Conditional Offers$1,000
Engine: 6.2L V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Forest Storm with Mahogany Accents, Perforated lea
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2026 GMC Yukon XL SUV

2026 GMC Yukon XL Elevation

  • MSRP$86,365
  • Discount$8,000
  • Price$78,365
  • Doc Fee$599
  • Final Price$78,964
  • Conditional Offers$1,000
Engine: 5.3L V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, CoreTec/Perforated leather-appointed se
View Details
2026 GMC Yukon XL SUV

2026 GMC Yukon XL Denali Ultimate

  • MSRP$110,855
  • Doc Fee$599
  • Final Price$111,454
  • Conditional Offers$1,000
Engine: 6.2L V8 engine, Transmission: Automatic, Exterior Color: Glacier White Tricoat, Interior Color: Woodland Mahogany, Full grain leather seats
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2026 GMC Yukon XL SUV

2026 GMC Yukon XL Denali Ultimate

  • MSRP$110,855
  • Doc Fee$599
  • Final Price$111,454
  • Conditional Offers$1,000
Engine: 6.2L V8 engine, Transmission: Automatic, Exterior Color: Glacier White Tricoat, Interior Color: Woodland Mahogany, Full grain leather seats
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View All New GMC Yukon XL
2023 GMC Yukon XL SUV

2023 GMC Yukon XL SLT

  • Price$43,700
  • Doc Fee$599
  • Final Price$44,299
Engine: 5.3L V8 engine, Transmission: Automatic, Mileage: 90,511 miles, Exterior Color: Volcanic Red Tintcoat, Interior Color: JET BLACK, PERFORATED LEATHER-APPOINTED SEATING
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2025 GMC Yukon XL SUV

2025 GMC Yukon XL AT4 Ultimate

  • Price$78,000
  • Doc Fee$599
  • Final Price$78,599
Engine: 6.2L V8 engine, Transmission: Automatic, Mileage: 30,656 miles, Exterior Color: Summit White, Interior Color: Obsidian Rush with Red Accents, Full Grain leather
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2023 GMC Yukon XL SUV

2023 GMC Yukon XL Denali Ultimate

  • Price$63,000
  • Doc Fee$599
  • Final Price$63,599
Engine: 6.2L V8 engine, Transmission: Automatic, Mileage: 54,322 miles, Exterior Color: Onyx Black, Interior Color: ALPINE UMBER, FULL GRAIN LEATHER SEATING SURFACES
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View All Pre-Owned GMC Yukon XL

GMC (1)

Yukon XL SUV (6)

2027

Manufacturer Offer

SCR GMC Lease

  • Applies to this new 2027 GMC Yukon XL.

Ultra Low-Mileage Lease for Well-Qualified Lessees. $959/month for 36 months. $7,259 due at signing (after all offers). Tax, title, license, and dealer fees extra. $0 security deposit. Mileage charge of $0.25 /mile over 30,000 miles at participating dealers.

Disclaimer(s)
  • Example based on survey. Each dealer sets own price. $959/month for 36 months. Your payments may vary. For eligible new and unused models leased through GM Financial. Payments are for a 2027 GMC Yukon XL 4WD Elevation with an MSRP of $78,995. Based on due at signing amount of $7,259 (after all offers). 36 monthly payments total $34,524. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Take new retail delivery by 11-02-2026. 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

GM First Responder Offer

  1. $500 Offer
  • Applies to this new 2027 GMC Yukon XL

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 2027 GMC Yukon XL

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 *

2026

Manufacturer Offer

SCR GMC Lease

  • Applies to this new 2026 GMC Yukon XL.

Ultra Low-Mileage Lease for Well-Qualified Lessees. $959/month for 36 months. $10,489 due at signing (after all offers). Tax, title, license, and dealer fees extra. $0 security deposit. Mileage charge of $0.25 /mile over 30,000 miles at participating dealers.

Disclaimer(s)
  • Example based on survey. Each dealer sets own price. $959/month for 36 months. Your payments may vary. For eligible new and unused models leased through GM Financial. Payments are for a 2026 GMC Yukon XL 4WD Elevation with an MSRP of $78,395. Based on due at signing amount of $10,489 (after all offers). 36 monthly payments total $34,524. Option to purchase at lease end for an amount to be determined at lease signing. Lessor must approve lease. Take new retail delivery by 11-02-2026. 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

GM Military Offer

  1. $500 Offer
  • Applies to this new 2026 GMC Yukon XL

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 2026 GMC Yukon XL

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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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