Handpicked Used Vehicles Serving in O Fallon, MO


    #1 Used Car Dealership in O'Fallon, MO | About INTERSTATE AUTO SALES LLC

    Interstate Auto Sales LLC is the premier destination for buying used cars in O’Fallon, Missouri. With many years of experience in this field, we strive to provide our customers with quality pre-owned vehicles. We have extensive relationships with our dealer community and can source a wide variety of lease returns and new vehicles at exceptional prices. This saves you a lot of money on top-quality vehicles of your choice.

    Financing Options

    From the moment you walk through our door, we strive to provide you with a great car-buying experience. We also offer financing for used cars from our dealership, Our skilled sales staff can assist you with this, on which loan you can choose. Don’t worry if you have bad credit scores as we have built good relationships with third-party companies.

    We will provide the car of your choice at a low price. We aim for you to be so happy with your vehicle purchase that you come to us when you need your next vehicle and are happy to introduce us to your friends and family. A recommendation is the best compliment.

    Car Finder Tool

    We hold a great option that can be used only  If you do not find your preferred car on our list. Online car finder tool fill out the details on the form, and our staff will research and locate your vehicle and contact you shortly. 

    For more information about our dealers and help with your next vehicle purchase, please call (636) 294-7277 or visit us in person. We look forward to meeting you.