O'Fallon Buick GMC

Excellent service. Our sales guy Blake was very courteous, knowledgeable & easy to work with. THANKS Our sales guy Blake was very courteous, knowledgeable & easy to work with. THANKS More

Great service, easy to schedule online and when I arrived sent my truck right in. Very courteous and prompt service. Will continue my services here at this location. sent my truck right in. Very courteous and prompt service. Will continue my services here at this location. More

Didn't have to wait long. Service was quick and resolved the issue.Would highly recommend this dealership to anyone. Service was quick and resolved the issue.Would highly recommend this dealership to anyone. More

Devon was knowlegable and very patient. Highly reccond him.. made a grear deal for my daughter Highly reccond him.. made a grear deal for my daughter More

Purchase of new vehicle was a smooth process from sales to finance and finally the delivery. to finance and finally the delivery. More

My sales guy, Nick, was very informed about GM products. He had answers to questions I didn't even ask. He had answers to questions I didn't even ask. More

Zach was great to work. He was very knowledgeable about the vehicles and patient while checking inventory. The trade in process was easy. We were treated fairly and with r He was very knowledgeable about the vehicles and patient while checking inventory. The trade in process was easy. We were treated fairly and with respect throughout the entire process. The building is immaculate and well maintained. I will definitely recommend O’Fallon GMC to everyone that I show my new truck to! More

I have three vehicles serviced by O’Fallon GMC (2023 Acadia, 2016 Silverado and 2006 Chevrolet. SSR) always satisfied with there service. Acadia, 2016 Silverado and 2006 Chevrolet. SSR) always satisfied with there service. More

The staff is very courteous and helpful. Always there to help and assist you in any questions you may have. The facility is always spotless clean. Always there to help and assist you in any questions you may have. The facility is always spotless clean. More

Devan was amazing! He was very thorough in explaining the options on the vehicle. He was very professional during from viewing the car to taking delivery. He is defini He was very thorough in explaining the options on the vehicle. He was very professional during from viewing the car to taking delivery. He is definitely an asset to your company! More