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About Us

Bill Sullivan has merged with Joe Mitchell Buick GMC to form: Sullivan Buick GMC Inc.

Our Arlington Heights dealership is proud to welcome the Buick and GMC product line to our sales and service teams. We are excited about the opportunity to provide one-stop shopping for GM cars in Cook County and our neighboring towns of Buffalo Grove, Palatine, Wheeling, Barrington, Deerfield and Deer Park.

Sullivan Buick GMC is your Cook County destination for Buick GMC car sales, service and parts. Sullivan Buick GMC is Illinois's leader in customer satisfaction. Experience the Sullivan difference!

Bill Sullivan Buick GMC and Joe Mitchell Buick GMC have merged to offer you one great location called Sullivan Buick GMC. With more than 20 years of automotive service experience, We know just how important your business is to our dealership.

Welcome to Sullivan Buick and GMC in Arlington Heights. The Sullivan Online site is a fast and convenient way to research and find a vehicle that's right for you. Whether you're looking for a new or used Buick and GMC car you'll find it at Sullivan Buick and GMC. We have helped many customers from McHenry, Elmhurst, St Charles, and Vernon Hills find the Buick and GMC of their dreams!

As a premier McHenry Buick and GMC dealer, we have a large selection of new and used Buick and GMC cars, trucks and SUVs. Sullivan Buick and GMC online and offline customers, enjoy special vehicle offers every day.

Sullivan Buick and GMC offers online inventory, service, parts, leasing and financing, making Sullivan Buick and GMC your preferred McHenry, Elmhurst, St Charles and Vernon Hills Buick and GMC dealer!

Ready to test drive a Buick and GMC? Visit our Sullivan Buick and GMC dealership in Chicagoland, IL today! We know that prospective customers are now extremely educated when researching their next vehicle, that is why Sullivan Buick and GMC has made it their job to provide you with all valuable information so you may spend less time researching and more time enjoying your new purchase. A significant amount of research is also available to you by using our used vehicle inventory pages. You may also view our New Buick and GMC Specials and Used Car Specials for additional savings on your next vehicle venture.

Our staff is eager to assist you. Come see us today!