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O'Fallon Buick GMC
O'Fallon, MO
1,577 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 1,577 reviews
November 13, 2025
Thanks to Christy for being attentive to me soon and I arrived also one of the best finance person to ever feel comfortable of giving my money/business too Jarrod. Thanks for serving me with utmost respec arrived also one of the best finance person to ever feel comfortable of giving my money/business too Jarrod. Thanks for serving me with utmost respect in entering the business. More
by Teemshaw34
Verified Customer
November 12, 2025
I was so close to walking away because I was attached to my trade — it was getting old and starting to cost me money, but I just couldn’t decide. Mr. Washington made all the difference. He was calm, profess my trade — it was getting old and starting to cost me money, but I just couldn’t decide. Mr. Washington made all the difference. He was calm, professional, and compassionate even though I was a crying mess. He listened, explained my options clearly, and helped me feel confident about the decision. Great experience — highly recommend this dealership and especially Mr. Washington. More
by amy.rolfes
November 12, 2025
From start to finish our experience was top notch. No pressure, we new what we wanted and it was delivered. No pressure, we new what we wanted and it was delivered. More
by rory3
Employees Worked With
November 12, 2025
Another great service experience! The service writers are very helpful,knowledgeable and professional They care about your vehicle and have an understandable approach to getting yo The service writers are very helpful,knowledgeable and professional They care about your vehicle and have an understandable approach to getting your vehicle serviced and repaired quickly so your in and out with your vehicle and on your way. I have been bringing my vehicles here almost as long as they’ve been in business and I have been very pleased with the service since my first time coming in. I highly recommend this dealership and especially the compassionate service department who are very supportive. Thank you for everything you do! More
by TBERNSTETTER
November 11, 2025
The service was great. Also fast and on budget. The service manager Don Koch was very courteous and helpful. We will recommend your dealership to everyone we know Also fast and on budget. The service manager Don Koch was very courteous and helpful. We will recommend your dealership to everyone we know More
by RODGERSD312
November 11, 2025
Got an oil change in my diesel engine and rotated tires. Took about an hour and price was reasonable Took about an hour and price was reasonable More
by DON.JOHNSON56
Employees Worked With
November 10, 2025
Nik was very professional with customer service and assisting me with a GM product warranty concern through the resolution center. Great Job!! assisting me with a GM product warranty concern through the resolution center. Great Job!! More
by timbdreed
November 09, 2025
O’Fallon Buick GMC has the best service department that I have ever been to! have ever been to! More
by NAHALASKA
Employees Worked With
November 09, 2025
Great dealership, everyone is very helpful , this is the best dealer for sales , for service or if you need a part. best dealer for sales , for service or if you need a part. More
by donkoch1965
November 09, 2025
Top notch service from start to finish. Thanks guy&gals! I’m thankful to be apart of your family! See ya all shortly. Oh.. BTW, your dealership is spotless as always! That extends out Thanks guy&gals! I’m thankful to be apart of your family! See ya all shortly. Oh.. BTW, your dealership is spotless as always! That extends out to the work areas as well, very clean! More
by dpollard66
