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  • Sommer's Buick GMC Mequon, WI
  • Sommer's Buick GMC

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  • Sales 262-236-6531
    • Service/Parts 262-242-0100
  • 7211 W MEQUON RD
    Mequon, WI 53092
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Sommer's Buick GMC Mequon, WI

Sommer's Buick GMC

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  • Home
  • New
    • All New Inventory
    • New Buick Inventory
    • New GMC Inventory
    • New Specials
    • Get Pre-Approved
    • Instant Cash Offer
    • Super Cruise
    • Buick Compare Competitors
    • GMC Compare Competitors
  • Used
    • Search Inventory
    • Vehicles Under $15k
    • Get Pre-Approved
    • Why Buy Used
    • GM Rewards
    • What is Simplified Pricing?
    • Instant Cash Offer
    • Used Trucks Milwaukee
    • Used SUVs Milwaukee
  • Schedule Service
    • Schedule Service
    • Tire Finder
  • Specials
    • New Specials
    • Service & Parts Specials
    • Pre-Owned Specials
  • Research
    • Research
    • 2026 GMC Buick Model Research Page
    • 2026 Sierra 1500
    • 2026 GMC Sierra HD
    • 2026 GMC Canyon
    • 2026 GMC Yukon
    • 2026 GMC Acadia
    • 2026 GMC Terrain
    • 2026 Hummer
    • Buy vs. Lease
    • 2026 Buick Encore GX
    • 2026 GMC Terrain
  • Finance
    • GMC My Rewards
    • Finance Department
    • Payment Calculator
    • Get Pre-Approved
    • Instant Cash Offer
    • Get pre-qualified with Capital One (no impact to your credit score)
    • Low Credit No Credit Subprime Auto Loans
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  • Double Cab - Long Bed
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  • Full-size Cargo Van
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  • Crew Cab Chassis-Cab
  • Double Cab - Long Bed
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  • Pickup Regular Cab - Long Bed
  • Pickup Regular Cab - Standard Bed
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Pickup Regular Cab - Long Bed

2026 GMC Pro

2026 Pro


  • Starting MSRP:
  • $49,500
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2026 Pro


  • Starting MSRP:
  • $49,500
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2026 GMC Sierra 1500

2026 Sierra 1500


  • Starting MSRP:
  • $38,500
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2026 Sierra 1500


  • Starting MSRP:
  • $38,500
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2026 GMC Sierra 2500HD

2026 Sierra 2500HD


  • Starting MSRP:
  • $46,700
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2026 Sierra 2500HD


  • Starting MSRP:
  • $46,700
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2026 GMC Sierra 3500HD

2026 Sierra 3500HD


  • Starting MSRP:
  • $47,900
  • Hwy:
  • City:
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2026 Sierra 3500HD


  • Starting MSRP:
  • $47,900
  • Search Inventory
  • Quick Quote
2026 GMC SLE

2026 SLE


  • Starting MSRP:
  • $53,500
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  • City:
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2026 SLE


  • Starting MSRP:
  • $53,500
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  • Quick Quote
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