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O'Fallon Buick GMC
O'Fallon, MO
1,448 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 1,448 reviews
August 04, 2025
Everyone was very helpful and fair with our trade-in. Purchasing here was very pleasant. Purchasing here was very pleasant. More
by tracybax47
Verified Customer
August 04, 2025
We had a great experience with Beau in sales. He was very helpful and showed us several options before we made our decision. He was very helpful and showed us several options before we made our decision. More
by JRMALDENEY
Employees Worked With
August 03, 2025
Dealership was very nice. salesman was very knowledgeable and helpful.financing was very fast and friendly salesman was very knowledgeable and helpful.financing was very fast and friendly More
by TROYWINCHELL8
August 03, 2025
This dealership was extremely professional and very easy to work with in making my recent purchase. They treated me fairly and negotiated on a very straight forward basis. to work with in making my recent purchase. They treated me fairly and negotiated on a very straight forward basis. More
by shackelford55
August 02, 2025
Clean pleasant environment. Professional, friendly staff. Salesperson was very attentive and patient in answering questions and explaining the vehicle functions. Professional, friendly staff. Salesperson was very attentive and patient in answering questions and explaining the vehicle functions. More
by pb-boyd07
August 01, 2025
They were very quick on installing my new tonneau cover on my new truck and very friendly on my new truck and very friendly More
by themckeez
August 01, 2025
Bought our 2nd car from them and it was a great experience! Fair price for a great car. Definitely would recommend! experience! Fair price for a great car. Definitely would recommend! More
by BMCLAY711
Employees Worked With
July 31, 2025
I had THE BEST Car buying experience today. I am so impressed with Christy and the entire team in OFallon. It was easy, FUN, fast, and if I ever buy another vehicle in my lifetime, I'll only go I am so impressed with Christy and the entire team in OFallon. It was easy, FUN, fast, and if I ever buy another vehicle in my lifetime, I'll only go to Buick GMC in OFallon MO. ENTIRELY IMPRESSED!! Im in LOVE w my ride and with the staff. Everyone was so friendly and I may be in love w Christy. Lol. Seriously such an excellent experience. More
by mech1968
Employees Worked With
Other Employees :
I hope i included everyone bc they were all great
