Used Cars for Sale in O'Fallon, MO



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Find a Variety of Affordable, Reliable and Stylish Pre-Owned Models at GMT Auto Sales West

When in the market for a pre-owned vehicle, affordability is likely of high importance to you. Just because a car is affordable and previously used, however, doesn't mean you have to sacrifice your love for quality, high-end design, safety and performance. At GMT Auto Sales West, our drivers in O'Fallon, Missouri turn to our showroom for a comprehensive selection of high-quality, pre-owned models from Hyundai, Ford, Cadillac, Mercedes-Benz, Volkswagen, Dodge, Jeep, Kia, Nissan, and so much more.

To ensure that our drivers only receive the best, all of our used models have been inspected for quality by our expert technicians. Plus, all of our vehicles carry a unique style from the model year in which they were created. Whether you're currently in the market for a stylish sedan, fully-loaded truck or a spacious SUV, you will find all of that and more at the GMT Auto Sales West showroom.

If you didn't happen to find exactly what you're looking for within our pre-owned inventory, don't forget to browse our bargain inventory for an additional selection of popular makes, models and trims. And, remember that we are always updating both of our online inventories to ensure that it matches exactly what we have here at our O'Fallon, Missouri showroom.

Secure a Used Car Loan at Our O'Fallon Dealership

After finding a pre-owned vehicle that meets your requirements, let our finance team help you find an auto loan to match. Our team of auto financing experts go to great lengths to help you achieve the ultimate goal of vehicle ownership. Apply online using our secure, finance application, or visit us in person and see if you qualify for one of our great deals and available specials.

Are you ready to come see what the team at GMT Auto Sales West can do for you? If so, come visit our 1080 West Terra Ln location in O'Fallon today.

Take a Test Drive!


  • Monday 9:00am - 8:00pm
  • Tuesday 9:00am - 6:00pm
  • Wednesday 9:00am - 8:00pm
  • Thursday 9:00am - 6:00pm
  • Friday 9:00am - 8:00pm
  • Saturday 9:00am - 5:00pm
  • Sunday Closed