
O'Fallon Buick GMC
O'Fallon, MO
Hours
Sales/Showroom
Monday 9:00 AM - 8:00 PM
Tuesday 9:00 AM - 6:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 6:00 PM
Friday 9:00 AM - 8:00 PM
Saturday 9:00 AM - 6:00 PM
Sunday Closed
Service
Monday 7:00 AM - 6:00 PM
Tuesday 7:00 AM - 6:00 PM
Wednesday 7:00 AM - 6:00 PM
Thursday 7:00 AM - 6:00 PM
Friday 7:00 AM - 6:00 PM
Saturday 7:00 AM - 1:00 PM
Sunday Closed
Parts
Monday 7:00 AM - 6:00 PM
Tuesday 7:00 AM - 6:00 PM
Wednesday 7:00 AM - 6:00 PM
Thursday 7:00 AM - 6:00 PM
Friday 7:00 AM - 6:00 PM
Saturday 7:00 AM - 1:00 PM
Sunday Closed
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Very quick service and very clean waiting area. I would highly recommend their service department. I would highly recommend their service department. More
Christy and Mark are the best! Never would go anywhere else! Thank you for pressing the easy button for us! Never would go anywhere else! Thank you for pressing the easy button for us! More
Don’t do right by the customer. Saying they are trying to get assistance but never do Saying they are trying to get assistance but never do More
Paul was exceptionally energetic and helpful in the whole process. He communicated clearly, and led us to the vehicle we purchased. Outstanding Customer Service, with extra patience. Zach too, was profess process. He communicated clearly, and led us to the vehicle we purchased. Outstanding Customer Service, with extra patience. Zach too, was professional and patient to explain warranty and receipting us. Walter too, was courteous and helpful, to fill the gap while others were finishing with other customers. Our overall experience with the whole staff was outstanding. More
I am greeted by the nicest employees and the service is the best! Thank you the best! Thank you More
Zack was extremely knowledgeable, helpful ,and courteous. He took us on a tour of the dealership It was clean and everyone we talked to was friendly. I've been buying cars for over 50 years this was by fa He took us on a tour of the dealership It was clean and everyone we talked to was friendly. I've been buying cars for over 50 years this was by far the best experience. More
I have been using O’Fallon GMC to service my 2023 GMC Acadia, 2016 Chevy Silverado and 2006 Chevy SSR, for a couple years now, always friendly professional service, done in a timely manner. Acadia, 2016 Chevy Silverado and 2006 Chevy SSR, for a couple years now, always friendly professional service, done in a timely manner. More
Walter at O'Fallon was great to work with. They care about their customers, even ones who are shopping out of state and online. They care about their customers, even ones who are shopping out of state and online. More
Please with car I purchased love the rebates on the car I purchased it smoother than I thought purchased it smoother than I thought More
Devan was great. Honest and knowledgable. The finance department made the purchase go smoothly. Was pleased and not pressured. Honest and knowledgable. The finance department made the purchase go smoothly. Was pleased and not pressured. More