New Haven customers often prefer to make a quick trip to Mario D'Addario Buick GMC because of our relaxed, no-pressure environment, friendly service advisors, and knowledgeable product experts. We offer a whole lineup of new and used vehicles here, ranging from SUVs and trucks to sedans and sporty models. We have an impressive selection of new Buick, GMC vehicles and a curated selection of high-quality used cars of many other makes and models including many purchased from loyal customers near New Haven. We're bound to have something that makes you happy here at our SHELTON dealership.

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At Mario D'Addario Buick GMC, our entire team works together to provide you with the ultimate Buick, GMC shopping experience. We are here to exceed your expectations, deliver the best service possible, and make car shopping fun again.