CarMax
O'Fallon

hero-mobile-img hero-tablet-img hero-desktop-img
Today's hours 11AM - 8PM
Today's hours 11AM - 8PM

Showroom Hours

Monday - Friday 11AM - 8PM
Saturday 9AM - 7PM

Service Hours

Monday - Friday 8AM - 5PM
shop local cars set as my store Store Selected

Store Hours

Showroom Hours

Monday - Friday 11AM - 8PM
Saturday 9AM - 7PM

Service Hours

Monday - Friday 8AM - 5PM

Contact Us

Main (618) 206-7319 (618) 206-7319
Toll Free (844) 345-1179 (844) 345-1179
Fax (618) 206-7299

There's a lot you can do with CarMax

Shop, test drive, sell, or learn about financing, all at CarMax O'Fallon. Hassle-free. No pressure - guaranteed.

tri_illus_sell2

Get an offer for your
current car.

tri_illus_shop2

Drive a bunch.
Decide on the one.

tri_illus_service2

Service with RepairPal,
a trusted CarMax partner.

Store Hours

Showroom Hours

Monday - Friday 11AM - 8PM
Saturday 9AM - 7PM

Service Hours

Monday - Friday 8AM - 5PM

Contact Us

Main (618) 206-7319 (618) 206-7319
Toll Free (844) 345-1179 (844) 345-1179
Fax (618) 206-7299
Looking for more to do? You can shop cars in St. Louis
Looking for more to do? You can shop cars in St. Louis