Learn More About Auto Mart at County Line

Welcome to Auto Mart at County Line, the home of the best used cars in Mount Juliet, TN.   We are a family-owned dealership proudly serving the Mt. Juliet and Wilson County area. Backed by decades of experience, we specialize in clean-title, hand-picked vehicles and straightforward in-house financing designed to help real people get reliable transportation. Every vehicle is carefully selected, inspected, and priced fairly—because we believe buying a car should feel honest, simple, and stress-free.

Here on our website, you can view our inventory or even our easy application form to get pre-approved for lot financing. We're here to make your next purchase experience better than any you've ever had, so feel free to call us at (615) 758-7422 with any questions you might have.