Don Koch

The team there always does a fantastic job, taking care of me. We made a very good deal when I was able to purchase two new vehicles at the same time.. of me. We made a very good deal when I was able to purchase two new vehicles at the same time.. More

by Richgust Verified Customer Verified Customer

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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

by TERESALNORDSTROM Verified Customer Verified Customer

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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

by vansimpson32 Verified Customer Verified Customer

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They were very courteous and we were finished with oil change & tire rotation in about an hour. change & tire rotation in about an hour. More

by PPPRMNTPTTY1 Verified Customer Verified Customer

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My recent service appointment at Ofallon GMC was flawless and a pleasant experience. Also, my vehicle was washed and ready to go at the time promised.. and a pleasant experience. Also, my vehicle was washed and ready to go at the time promised.. More

by GWRICHARDSON342 Verified Customer Verified Customer

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Nick was great to work with. He is very knowledgeable about the GMC trucks and the new technology in them. He is very knowledgeable about the GMC trucks and the new technology in them. More

by dhendrix515 Verified Customer Verified Customer

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As usual when I come in for service, Don Koch, Joe Peters and Nik Halaska greeted me as I walked in. while in the waiting area, Walter Washington, who I bought a new Terrain from last year even stopped by t and Nik Halaska greeted me as I walked in. while in the waiting area, Walter Washington, who I bought a new Terrain from last year even stopped by to say hello. The service was performed in a reasonable amount of time and I was on my way out. More

by robert.oldani52 Verified Customer Verified Customer

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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

by CEDWARDS2825 Verified Customer Verified Customer

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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

by JMEYER8 Verified Customer Verified Customer

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We had an excellent experience buying our 2025 used Kia from them . Christy who helped us and sold us the car and she was so friendly. We will defiantly be buying from the again. from them . Christy who helped us and sold us the car and she was so friendly. We will defiantly be buying from the again. More

by tayyylerr17 Verified Customer Verified Customer

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