New 2026 GMC Sierra 2500HD



2026 GMC Sierra 2500HD For Sale in Stonington, CT


2026 GMC Sierra 2500HD For Sale Stonington CT | Mystic
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Whether it’s towing capacity or in-cabin connectivity, the 2026 GMC Sierra 2500HD delivers the very best of what drivers expect. Driveability and cabin comfort are central to this GMC truck. The customer service representatives at Brustolon Buick GMC are here to walk you through experience, from picking your Sierra 2500HD on the sales lot to signing the paperwork in the finance center. We look forward to accompanying you on a test drive around Stonington.

Why the 2026 Sierra 2500HD?

  • Automatic Emergency Braking
  • Hitch Guidance
  • Solar-absorbing glass
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Tax, title, and license (unless itemized above) are extra. Not available with special finance or lease offers. Internet pricing may be contingent with financing with GM Financial.
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The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.