Mario D'Addario Buick GMC in Shelton is one of the top Buick GMC dealers in Connecticut. The friendly and helpful staff provides a seamless, easy, and stress-free shopping experience. They are accommodating and make the process efficient and hassle-free, taking care of every need. The dealership offers the full lineup of new, certified, and used vehicles, finding exact models for customers. They explain every part of the transaction and deliver vehicles in immaculate condition. The GM-certified service center has professionally trained mechanics. Work is completed in a timely fashion, and the staff is always considerate. While you will pay top dollar for dealership mechanics, they are recommended for major concerns. The service manager is cordial and very accommodating. Nice amenities include a ride service, loaner vehicles, and having your vehicle washed and cleaned. Customers report receiving very fair prices and plan future work with D'Addario.
Great experience overall ! Everything went smoothly, and Horacio was very informative and helpful, taking the time to explain all the details of the car. I really appreciated his professionalism and knowledge. Highly recommend this dealership! I love the car we chose !
August 2026
Dillon in service was great to deal with he took care of my concerns.
January 2026
Great dealership and all around great experience. Everything went smooth.
