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O'Fallon Buick GMC
O'Fallon, MO
1,555 Reviews
We at O'Fallon Buick GMC are so excited to be joining the O'Fallon community!
While our roots are in our hometown of Greenville, SC, with many years of experience and three generations working within our family business, we knew that it was time to expand. In January of 2019, we had an opportunity to travel to O'Fallon, MO and the surrounding areas and instantly knew that we wanted to join the O'Fallon community.
As a family business, we are most interested in ensuring that each and every customer has an excellent experience and always feels welcome in our state-of-the-art, family-friendly atmosphere. The satisfaction of our customers and employees always comes first, with value and integrity at the forefront of every interaction.
A visit to O'Fallon Buick GMC is not just a trip to the dealership, it's an experience. Whether you buy with us or not, we want to get to know you, taking our time to discuss your interests and hobbies, lifestyle, budget and aesthetic preferences to make certain that you make the best investment for you and your family.
We proudly offer a wide-range of new cars, notably new Buick and GMC inventory along with pre-owned cars, trucks, SUVs and crossovers. We also have a highly trained auto-repair and service department which will help you to keep your investment performing at its best.
O'Fallon Buick GMC is also dedicated to contributing to the O'Fallon community. We know that it is the support of the O'Fallon community that will be the key to our success, and we are committed to finding as many ways as possible to give back.
With great excitement, the entire staff at O'Fallon Buick GMC looks forward to serving you! Visit us today!
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This rating includes all dealership reviews, with more weight given to recent reviews.
Sales Price Transparency
Service Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Workmanship
Service Time
Service Communication
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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Showing 1,555 reviews
October 31, 2025
Not going to write anything here. Definitely should not be required. Taints the entire process. Definitely should not be required. Taints the entire process. More
by pjslama54
Verified Customer
October 31, 2025
Christy made the process far, easy and upfront! ! Awesome experience and I’m telling everybody I know to go to ofallon Buick gmc ! Awesome experience and I’m telling everybody I know to go to ofallon Buick gmc More
by raftalex64
October 30, 2025
Walter and the team at OFallon GMC were wonderful! They went out of their way to get exactly what we wanted - 10/10! They went out of their way to get exactly what we wanted - 10/10! More
by TARA.F.BYRNE
October 30, 2025
My dealer was so so so sweet , She made me feel very comfortable, I would recommend her to my friends comfortable, I would recommend her to my friends More
by bernardpatt867
Employees Worked With
October 30, 2025
Ofallon Buick is always easy to work with and I highly recommend them for any GMC needs. recommend them for any GMC needs. More
by bgattra
Employees Worked With
October 29, 2025
Beau, Michael and D provided excellent help and direction with the purchase of my new Denali Ultimate Sierra 1500. They were professional, courteous, and showed me a lot of respect. I will not hesitate to with the purchase of my new Denali Ultimate Sierra 1500. They were professional, courteous, and showed me a lot of respect. I will not hesitate to recommend them to others given the chance to do so. More
by kthomaslowary
October 27, 2025
Hakeem did an amazing job along with the finance team. We appreciated everyone including the owner which was very pleasant and nice to talk to. You guys rocked it out of the house. Thank you. Randy and K We appreciated everyone including the owner which was very pleasant and nice to talk to. You guys rocked it out of the house. Thank you. Randy and Kim. More
by tazrw
October 27, 2025
Christy Thornton made our purchases seamless. No pressure, very easy going! Christy walked us through the buying process then happily demonstrated the new car features to us while making sure we No pressure, very easy going! Christy walked us through the buying process then happily demonstrated the new car features to us while making sure we had all devices connected and ready to use! More
by mark@lakeregionalrestoration.com
October 26, 2025
First time ever buying in Missouri, it was fast and painless. I would recommend them to anyone. painless. I would recommend them to anyone. More
by JM
October 26, 2025
Hakeem is awesome! Outstanding service!!! Best salesman I have ever dealt with across the board! Outstanding service!!! Best salesman I have ever dealt with across the board! More
by chartlein24
