O'Neill's Chevrolet Buick - a Buick, Chevrolet vehicle for every lifestyle

The Service Department at Sullivan's O'Neill's Chevrolet Buick is one of the most highly rated Chevrolet and Buick service centers in the state of Connecticut! Should your vehicle need routine maintenance or more serious repairs, just bring it in to us! We’ll restore your vehicle to like-new condition the first time, every time. Customers from Avon, Hartford, Canton, and New Britain Connecticut bring us their cars and trust us for consistent care, accurate diagnostics and reasonable prices. Our shop foreman is one of the top GM technicians in the country! Add to that, O'Neill's Chevrolet Buick service staff is made up of additional highly trained technicians, so you can rest assured knowing that your vehicle is in capable hands. Additionally, our technicians use OEM parts from our Parts Department to repair your vehicle and keep it running to the manufacturer’s standards. Getting your car repaired or serviced has never been easier! You can schedule an appointment, order parts or browse our specials online.