Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews


Connecticut Chevrolet and Buick Vehicle Specials

  • 2016 Buick Regal AWD
    BONUS TAG UP TO 16% OFF!!!*
    2016 Buick Regal AWD
  • 2016 Buick Regal AWD
    BONUS TAG UP TO 16% OFF!!!*
    2016 Buick Regal AWD
  • 2016 Chevrolet Malibu Premier
    BONUS TAG UP TO 16% OFF!!!*
    2016 Chevrolet Malibu Premier
  • 2016 Chevrolet Malibu 1LT
    BONUS TAG UP TO 16% OFF!!!*
    2016 Chevrolet Malibu 1LT
  • 2016 Chevrolet Suburban 4WD 1500..
    BONUS TAG UP TO 16% OFF!!!*
    2016 Chevrolet Suburban 4WD 1500..
  • 2017 Buick Envision AWD 4dr..
    BONUS TAG UP TO 16% OFF!!!*
    2017 Buick Envision AWD 4dr..
  • 2017 Cruze Sedan LT (Automatic)
    2017 Chevy Cruze LT Sedan*
    2017 Cruze Sedan LT (Automatic)
    *Disclosure $1,995 dues at lease signing, Plus Tax, title, registration, DOC Fee extra MSRP $22,325 Incentive and residency restrictions apply, must have NON GM Leased vehicle in household, see dealer for details. Expires expires on 04/30/2017 View Inventory
  • 2017 Equinox AWD LT
    2017 Chevy Equinox AWD LT*
    2017 Equinox AWD LT
    *Disclosure $2,750 due at signing plus tax, title, registration, DOC Fee and lease acquisition fee. MSRP $30,730, incentive and residency restrictions apply, must have NON GM Lease in household, see dealer for details. Expires expires on 04/30/2017 View Inventory
  • 2017 Chevrolet Equinox AWD LT
    BONUS TAG UP TO 16% OFF!!!*
    2017 Chevrolet Equinox AWD LT
  • 2017 Malibu 1LT
    2017 Chevy Malibu LT*
    2017 Malibu 1LT
    *Disclosure $2,495 Due at lease signing, plus Tax, title, registration, and DOC Fee. MSRP $26,895 Incentive and residency restrictions apply, must have Non GM Lease in Household see dealer for details. Expires expires on 04/30/2017 View Offer

Welcome to Sullivan's O'Neills Chevrolet Buick in Avon CT.
Serving Hartford, Canton, and New Britain CT!

For better deals and more, we are west on Route 44! Thank you for visiting Sullivan's O'Neills Chevrolet Buick, the dealer you can deal with. We specialize in the sales, service, financing, and leasing of Chevrolet and Buick cars, trucks, and SUVs. at incredible prices. We are a well known Chevy dealer in CT. Allow our website to serve as your personal online showroom, open 24/7/365 just for you! Browse our most up to the minute inventory, look for parts, find vehicle specials and discover financing options before stepping foot in our Avon CT dealership. We are conveniently located, just a short drive from Hartford, CT, and invite customers from throughout the surrounding area including Granby, Farmington, and Southington to come by anytime and take a test-drive. We are located at 5 West Main Street, Avon, CT and can be contacted at (844) 315-0960.

New Chevrolets, New Buicks and Quality Used Cars at Our Dealership in CT

If you’re searching for a new Chevrolet or Buick model in Connecticut, or anywhere specifically in areas like Simsbury, Newington or Bristol, Sullivan's O'Neill's Chevrolet Buick will work tirelessly to ensure you have the easiest and friendliest customer service experience in the car business. We always want our customers to leave happy, so we make sure to keep our inventory stocked with crowd-favorites like the Enclave, Cruze, Silverado, Equinox, and Malibu which you can view in our New Vehicle Inventory. Plus, if you know exactly what you’re looking for, you can refine your search by year, make, model, trim, price or color. We also offer our customers a wide selection of used cars from a variety of manufacturers. These vehicles are a great option for drivers shopping on budget to get all the features they’re looking for at a fraction of the cost. Browse our extensive used Inventory, and be sure to check out our specials, too, for savings on all of our models.

Certified Chevrolet and Buick Parts and Service near East Hartford CT 

The Service Department at Sullivan's O'Neill's Chevrolet Buick is one of the most reliable in the area. 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 in the timeliest manner possible. Customers from Avon, Hartford, Canton, and Bristol bring us their cars and trust us for consistent care, accurate diagnostics and reasonable prices. The Sullivan's O'Neill's Chevrolet Buick service staff is made up of 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.

A Finance Department You Can Trust

Whether your credit is good, bad, slow or non existent, our Finance Department is here to help you work through any situation. Our friendly financial officers are committed to getting our customers back on the road and back into good standing. We also offer competitive rates on leases and loans, in addition to the best prices on new and used vehicles. Get pre-approved today! At Sullivan's O'Neill's Chevrolet Buick, you’ll enjoy a hassle-free shopping experience unlike any other! As your premier Chevrolet and Buick dealer, we happily serve the East Hartford area by offering service with a smile. Simply give us a chance to earn your business, and you’ll experience the Sullivan O’Neill’s difference for yourself. Thanks again for visiting our website, and we hope you find everything you need. If you have further questions or comments, please feel free to contact us directly or visit us at 5 West Main St., Avon, CT 06001. We look forward to seeing all of our customers from Avon, Hartford, New Britain, Canton and Bristol here soon! 

Service | Parts Order Form | GM Accessories

Chevrolet: CamaroCruze | Equinox | Express Passenger | Impala | Malibu
Silverado 1500 | Silverado 2500HD | Sonic | Spark | Suburban | Tahoe | Traverse | Volt
Buick: Enclave | Encore | LaCrosse | Regal | Verano

We have detected that you are using an outdated version of Microsoft Internet Explorer (version 10 or lower) that is no longer supported.To access this website, please upgrade to the new Microsoft Edge browser or Internet Explorer version 11, or alternatively you can use the latest versions of Chrome, Firefox or Safari browsers.