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O'Fallon Buick GMC
O'Fallon, MO
1,415 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 1,415 reviews
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
Verified Customer
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
July 31, 2025
They were very professional they went up and beyond felt very comfortable they did not pressure me.Wish they were a little closer so I could do more business there. They met my needs I’m very glad I drove 5 very comfortable they did not pressure me.Wish they were a little closer so I could do more business there. They met my needs I’m very glad I drove 550 miles or 8 hours from my house I give them 5 star rating More
by themckeez
Employees Worked With
Other Employees :
Service dept did a outstanding job
July 31, 2025
Had an emergency warning light come on with no warning on one of my three month old work trucks. Took the truck to the dealership immediately (8am), They were able to work me in, run the diagnostics, update one of my three month old work trucks. Took the truck to the dealership immediately (8am), They were able to work me in, run the diagnostics, update the software, and get the truck back to me the following morning. It was covered by warranty so no cost to me. Joe in service was very helpful. More
by bo711
Employees Worked With
July 30, 2025
Ryan was nice and extremely helpful. Did a great job. We love our GmC truck Did a great job. We love our GmC truck More
by LSWISE54
Employees Worked With
July 29, 2025
Very helpful in helping us get a truck for our business! Above and beyond effort to keep paperwork to a minimum and even went out of way to deliver to us out of town! Above and beyond effort to keep paperwork to a minimum and even went out of way to deliver to us out of town! More
by jillelizabeths
Employees Worked With
July 29, 2025
Beau was our sales rep and he was great! Good pricing and experience! We will definitely be back in the future. Good pricing and experience! We will definitely be back in the future. More
by BMCLAY711
Employees Worked With
