Sales: (203) 242-0239
Service: (203) 242-0240
The Difference is Clear, The Difference is Daddario

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Welcome to Mario D'Addario Buick GMC Cadillac in Shelton


Welcome to Mario D'Addario Buick GMC Cadillac. Since 1968, our dealership has been selling the finest automobiles and providing the best service to our friends in the Shelton area. Our commitment to outstanding customer service has never wavered and we welcome you to experience the D’Addario difference whether buying a new or used vehicle, researching financing options or visiting our state of the art service department and collision center. Feel free to browse our up to date Shelton Buick, GMC & Cadillac inventory and please contact us if you have any questions or would like to schedule a test drive.

Shelton GMC, Buick & Cadillac Dealer Serving Bridgeport, New Haven and Beyond

For over 43 years, customers from Bridgeport, New Haven and beyond have been making Mario D’Addario their dealership of choice. Located on Bridgeport Avenue, we’re just off Route 8 between Exits 12 and 13 in Shelton, CT. If you are looking for a New Haven Buick, GMC, or Cadillac dealership, stop in today for the best selection in the area. We offer the full line of both makes including the Buick Enclave. This SUV has advanced technology both inside the vehicle and under the hood with exclusive QuietTuning technology, tri-zone climate controls, intelligent AWD system, StabiliTrak and more. For the truck driver, we recommend checking out the GMC Sierra 1500. With the leading power and performance you’ve come to expect from a GMC engine, our pickup cabs are now equipped with the latest technology including rear vision camera, touch screen navigation, Bluetooth, OnStar and more. We welcome all our Shelton GMC, Buick & Cadillac customers to our dealership and take a look at our huge inventory.

A New Haven Buick GMC Cadillac Dealer Serving Bridgeport

Just minutes from I-95 and the Merritt Parkway, the best in American luxury automobiles are at your fingertips. If you are looking for a New Haven or Bridgeport Cadillac car or crossover, our Mario D’Addario Cadillac selection in unrivaled in the Shelton area. Proudly showcasing the Cadillac CTS Sedan, this fine automobile is the best in new automotive innovation. With a perfect blend of luxury, performance and technology, the award winning CTS is in a class unto itself with a heated steering wheel, swiveling headlamps, rearview camera and German tested suspension to name a few. Come test-drive the new CTS or any of our other luxury Cadillac vehicles. And remember, all our Cadillac models come with the Cadillac Shield, the comprehensive care and maintenance program. We are proud to be your premier Cadillac dealer in Connecticut.   

Premier Shelton Buick, GMC, Cadillac & Used Car Dealer

If you are in the market for a used or certified pre-owned vehicle in Shelton, make Mario D'Addario Buick GMC Cadillac your only stop. We have a great selection of used vehicles from many different car manufacturers and we’re confident you will find the perfect vehicle to fit your needs. Use our website to browse our current pre-owned inventory, value your trade-in or request a quick quote on any of our in stock used cars in Shelton.

Shelton Buick GMC Cadillac Service and Parts Department

At Mario D'Addario Buick GMC Cadillac, you will find our certified service technicians to be the friendliest and most knowledgeable in Shelton. Schedule an appointment or bring in your Bridgeport and New Haven Buick, GMC, or Cadillac vehicle to get your vehicle back in peak driving condition. We also have a state of the art collision and paint center utilizing the latest industry technology to fix everything from dings and scratches to major body work. Also having great relationships with estimators and insurance companies, we know you will be pleased with our service.



Service | Parts Order Form | GM Accessories

Buick: Enclave | Encore | LaCrosse | Regal | Verano
Cadillac: ATS | ATS Coupe | CTS Sedan | Escalade | SRX | XTS
GMC: Acadia | Canyon | Savana Cargo Van | Savana Passenger Van | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon

Specials

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Specials