Sales: Mon, Wed, Fri 8:30 AM - 8:00 PM
                Tues, Thurs, 8:30 AM - 6:00 PM 
                Saturday 8:30 AM - 5:00 PM
Service: Mon-Fri 7:30 AM - 5:30 PM
915 West Hwy 50, O'Fallon, IL 62269
Sales: (877) 888-0970
Service: (877) 896-8370


Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • ATS Customer reviews

    Happy with service. Brought car in for a recall item. Staff always courteous and professional


    2013 Cadillac ATS
  • Escalade ESV Customer reviews

    I called the night before to see if they could fit my 2007 Escalade ESV in to get my tailgate fixed. I was taking my kids to college and it had stopped working. They were able to squeeze it in which


    2007 Cadillac Escalade ESV
  • Silverado 1500 Crew Cab Customer reviews

    The service team did another outstanding job. They got my truck in quickly, provided me with a very reasonable estimate and performed the repair quickly. Larry, Mick and the entire service team did a


  • SRX Customer reviews

    Just a great group of people who cares about you and your vehicle.


    2012 Cadillac SRX
  • Outlook Customer reviews

    Once again, excellent service. The guys are always so kind and make sure me and my car are well taken care of!


  • XTS Customer reviews

    EVERYONE! at Jack Schmitt Cadillac is always friendly and helpful. The donuts are always waiting in the am. Service is done in a timely manner. The service department is always on top of the latest


    2013 Cadillac XTS
  • CTS Customer reviews

    I arrived a few minutes early. the service rep was right out none the less and put my car in immediately. The wait was not unreasonable at all. The car was clean and ready to go for no more cost than


  • DeVille Customer reviews

    Everyone was very nice. Very good at their job.


  • LaCrosse Customer reviews

    Great experience!


  • STS Customer reviews

    Larry was able to get my car in on the day I requested. Wonderful attitude by everyone in the shop.


Map and Directions

Used Vehicles


New Cadillac Luxury Vehicles at Jack Schmitt Cadillac near Belleville

Thank you for visiting Jack Schmitt Cadillac, your local Belleville Cadillac dealership in O'Fallon, IL. We sell incredible new Cadillac luxury vehicles as well as used cars and trucks near St. Louis and Belleville. Located at 915 West Highway 50 in O'Fallon, we're easy to find from Interstate 64 at exit 14. Please view our hours and directions page if you need specific driving instructions to our Cadillac dealership near St. Louis and Belleville. Jack Schmitt Cadillac in O'Fallon is proud to feature all of the new Cadillac luxury vehicles that you want to drive near Belleville and St. Louis. Whether you're looking for the new ATS, an SRX, or the popular Escalade SUV, you'll find them all at Jack Schmitt Cadillac. Our professional, low-pressure sales team makes it easy to drive home in a new Cadillac, so apply for financing and schedule your test drive today and see why more Belleville Cadillac drivers do business with us.

Used Cars in O'Fallon at Jack Schmitt Cadillac

Shopping for used cars in St. Louis? Looking for a great deal on used vans in Belleville or for used SUVs in O'Fallon? Jack Schmitt Cadillac features a great selection of high quality used cars and trucks with many makes and models to choose from. Whether you're looking for a used Cadillac in St. Louis or for certified pre-owned GM vehicles in O'Fallon, we're certain that you'll find a great quality used vehicle that's perfect for you near Belleville.

Auto Parts & Service near St. Louis

When your Cadillac needs repair work or routine maintenance you'll want to bring it in to our service department at Jack Schmitt Cadillac in O'Fallon. Our team of highly trained service technicians can do it all, from installing new tires to oil changes and major engine repairs near Belleville and St. Louis. For your convenience you can schedule your service appointment online through our site. Should you need Cadillac parts or Cadillac accessories, our parts department is fully stocked to fill your order, whether you need them in St. Louis or Belleville.