Brennan Buick GMC is Committed to Serving Drivers from Plattsburgh NY, Morrisonville, Keeseville and Peru

Brennan Buick GMC is more than just new and used sales, parts, and service. Our team, housed in Plattsburgh NY, is proud to serve drivers from Morrisonville, Keeseville, Peru and beyond. Our team strives to simplify every aspect of buying, owning, and servicing a Buick or GMC model so that your automotive investment is one that you're every bit as proud to own as we are to sell.

At Brennan Buick GMC, We're Here for You Every Step of the Way

We aim to make your dealership experience as smooth as possible from the moment you set foot in our showroom to the moment when you drive off our lot in your dream car. Whether you're hunting for a new or used car, we can help you find the perfect fit and set you up to test drive the Buick and GMC models that best suit your needs. We can even guide you through the financing process to help you find an affordable loan or lease solution that works for your budget. Then, we'll still be here to lend a hand at our service center to help ensure that your Buick Envision, Encore GX, GMC Sierra 1500, Terrain or Acadia keeps running smoothly.

Visit in Person to Get Started on Your Path to a New Vehicle

See what a difference topnotch customer service can make on your vehicle-shopping journey. Stop by and visit us in Plattsburgh NY. We're conveniently located for the entire Morrisonville, Keeseville and Peru area and we look forward to helping you revolutionize your entire car-shopping experience. Let our teams of automotive experts answer all your questions and work with you towards getting the vehicle and the finance plan of your dreams.

  1. Brennan Buick GMC

    383 Route 3
    Plattsburgh, NY 12901

    • Sales: (518) 310-2376
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Brennan Buick GMC

383 Route 3
Directions Plattsburgh, NY 12901

  • Contact: (518) 310-2376


  • Monday 8:30 am - 6:00 pm
  • Tuesday 8:30 am - 6:00 pm
  • Wednesday 8:30 am - 6:00 pm
  • Thursday 8:30 am - 6:00 pm
  • Friday 8:30 am - 6:00 pm
  • Saturday 8:30 am - 4:00 pm
  • Sunday Closed