9 Plackemeier Dr O'Fallon, MO 63366 636-281-1639

Welcome to Janson Automotive

Let Janson Automotive show you how easy it is to buy a quality used car in O'Fallon. We believe fair prices, superior service, and treating customers right leads to satisfied repeat buyers.

Our friendly and knowledgeable sales staff is here to help you find the car you deserve, priced to fit your budget. Shop our virtual showroom of used cars, trucks and suv's online then stop by for a test drive.


Calvin - 2009 Chrysler Town & Country

they made the process very easy

Text Us!