Contact Us

We would love to hear from you at Harmony Auto Sales, your premier family-owned used car dealership. Whether you have questions about our inventory, financing options, or any other inquiries, our team is here to assist you. You can reach us by phone during our business hours, or you can fill out the convenient contact form below, and we will promptly respond to your message. 


16903 Riley Harmony Rd, Marengo, IL 60152, United States


(773) 457-2159

Open Hours

Mon:11am – 7pm
Tue: 11am – 7pm
Wed: 11am – 7pm
Thur: 11am – 7pm
Fri: 11am – 7pm
Sat: 11am – 7pm
Sun: Closed

Send A Message

Experience the personalized service and exceptional customer care that distinguishes Harmony Auto Sales from the rest – we look forward to serving you!