Our truck is your Cassel! Give us a call today at (631) 576-4005.

Welcome to

Cassel GMC Truck Sales - We are your Long Island and Suffolk County GMC Dealer

As your Patchogue GMC dealer, we are the only Suffolk county endorsed dealer offering premium GMC vehicles. We have serviced Patchogue and surrounding areas with GMC trucks, SUVs, and vans for over 50 years. Our Patchogue GMC dealer has medium duty trucks sales awards, ranked top 50 medium duty trucks, and a hybrid trained dealer. Customer satisfaction is our primary goal as the oldest Long Island GMC dealer. You will be greeted with a friendly atmosphere to experience a great car buying experience at Cassel GMC Truck Sales.

Come to Cassel GMC Truck Sales and reap all the benefits in your car buying deals. Your Patchogue GMC dealer in Suffolk county is showcasing

premium GMC vehicles such as the GMC Acadia, Sierra 2500HD, Yukon Hybrid,

and much more. Find your next vehicle in our new and used inventory of quality vehicles from your Patchogue GMC dealer. We offer great deals with our incentives, GM 100,000 Mile Warranty, and service specials. Financing is available by applying with our pre-approval application at Cassel GMC Truck Sales in the Suffolk county and Long Island area with GMC vehicles.

Our

Suffolk GMC dealer has comprehensive service, parts, and accessories in Suffolk county and Long Island offering GMC trucks, SUVs, and vans.

Schedule an appointment with your Patchogue service department to maintain your vehicle well. You can also order quality auto parts from our Patchogue parts department and accessories where we have $1 million in inventory at our parts department. You can be assured that our technicians are ASE certified, hybrid trained, and award winning factory trained.

Cassel GMC Truck Sales is here to offer you great deals and hassle-free buying experience in the Suffolk county and Long Island area with GMC trucks, SUVs, and vans. Your Suffolk GMC dealer is located at 550 North Ocean Avenue ( Rt 83), Patchogue, NY 11772. Find our hours of operation and driving directions on the ‘Hours and Map’ section.