GMC SIERRA HEAVY DUTY (HD): POWER TO PULL YOUR WORLD

The GMC Sierra HD is the epitome of premium and capable. Highlights include powerful capability like the available Duramax® 6.6L Turbo-Diesel V8 Engine with Allison® 10-speed automatic transmission. Sierra HD also offers up to 15 available camera views including transparent trailer as well as head-up display, rear camera mirror and best-in-class crew Cab front head and legroom (max.). Whether Denali, AT4, SLT or one of the special edition packages, there's a Sierra HD ready to get you there and help you take it all with you.



 

Car Shopping Made Easy

Here at Brennan Buick GMC, it is our mission to be the automotive home of drivers in the Plattsburgh, NY area. We provide a vast selection of new and used vehicles, exceptional car care and customer service with a smile!

Speaking of new GMC, Buick models, you have your pick of our showroom. Our local dealership keeps a great stock of used cars, trucks, and SUVs in inventory. With competitive prices offered on every pre-owned model for sale on our lot, you won't find a reason to visit any other dealership in Plattsburgh.

Want to Talk Auto Finance?

We Make It Easy

When you decide you are ready to get into a great GMC, Buick, we are here for you (or as far away as you want). Purchase online with our intuitive online tools, or let us do all the paper work for you. When you come to get the keys, we can have you out the door in as little as 15 minutes, but are glad to go through every detail of your car with you for as long as you like. Its all up to you.

We Keep You Going

Brennan Buick GMC is also by your side whenever you need any car service and repair work done in Plattsburgh . What's more, our auto parts team would be happy to get you whatever you need to keep your GMC, Buick vehicle on the road for many miles to come.

Get in Touch

383 Route 3
Directions Plattsburgh, NY 12901

  • Contact Our Sales Department: (518) 310-2376
  • Monday8:30 am - 6:00 pm
  • Tuesday8:30 am - 6:00 pm
  • Wednesday8:30 am - 6:00 pm
  • Thursday8:30 am - 6:00 pm
  • Friday8:30 am - 6:00 pm
  • Saturday8:30 am - 4:00 pm
  • SundayClosed
  1. Brennan Buick GMC

    383 Route 3
    Plattsburgh, NY 12901

    • Sales: (518) 310-2376
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