http://www.GaryLangAuto.com When youre looking for a great Buick GMC dealership around Libertyville, IL come to Gary Lang Buick GMC, in McHenry. Gary Lang Buick GMC does everything in its power to make sure you not only get the Buick GMC vehicle of your dreams but also the great buying experience you deserve. Wherever you are in the Crystal Lake, IL/Libertyville area, you wont find a better dealership than Gary Lang Buick GMC. 1107 S. Route 31 McHenry, IL 60050. Find out more about what makes us different at http://www.GaryLangAuto.com or call 888-479-2183 to speak to a friendly sales associate.