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

Certified Service

Our Certified Service expert technicians can help make maintaining your vehicle simple and convenient. We are not only a one-stop destination for all your vehicle maintenance needs, but we also have convenient hours, competitive service & parts pricing and advanced technology to take the stress out of servicing your vehicle. From oil changes to tire rotations, brakes, batteries and multi-point vehicle inspections, we can handle it all. Simply click on the tab or call to schedule an appointment today.

Shelton's Buick, GMC, and Cadillac serivce and repair center is at Mario D'Addario


If your vehicle has problems or requires a general tune-up then bring it by Mario D'Addario Buick GMC Cadillac in Shelton, CT. Our experienced technicians are ready to fix your vehicle’s problems. We provide high-quality services at great prices! After servicing your vehicle at our dealership you’re sure to get the best performance and efficiency on Shelton, CT roads. Contact us today for more information!

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