Dealer Reviews
Cars for Sale
Dealer Log In
All Salespeople
Sales Department
O'Fallon Buick GMC
O'Fallon, MO
1,525 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!
Read More
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
Filter Reviews by Keyword
By Type
Showing 1,525 reviews
October 07, 2025
As a valued customer, I have acquired two vehicles from this dealership, most recently the Hummer EV. I would like to commend Roger, the sales representative who facilitated my purchase. I would certainly this dealership, most recently the Hummer EV. I would like to commend Roger, the sales representative who facilitated my purchase. I would certainly recommend his services. More
by Bodani
Verified Customer
October 04, 2025
We had the best Beau Campbell to work with. We would for sure be back if we ever needed another car. Also I try to send people his way cause he was awesome. We would for sure be back if we ever needed another car. Also I try to send people his way cause he was awesome. More
by bradcallie59
Employees Worked With
October 03, 2025
Great service and fantastic atmosphere everyone was smiling and had a great attitude they were also very helpful smiling and had a great attitude they were also very helpful More
by melissa29314
Employees Worked With
October 03, 2025
The fastest and smoothes ever buying experience i have had yet. Roger is very polite and goes above and beyond, Zack the finance manager made my prosses very smooth as well, I would recommend this dealers had yet. Roger is very polite and goes above and beyond, Zack the finance manager made my prosses very smooth as well, I would recommend this dealership to anyone. 5 🌟 More
by bigstore69
October 02, 2025
Paul was very pleasant to deal with he always responded quickly. He made my purchasing very easy and smooth. quickly. He made my purchasing very easy and smooth. More
by kim_slaton
October 01, 2025
Pricing for oil change was reasonable, and they even washed the outside of the vehicle which was greatly appreciated washed the outside of the vehicle which was greatly appreciated More
by GDIEBLING
Employees Worked With
October 01, 2025
Painless maintenance experience. I was well informed and my vehicle was taken care of as expected! I was well informed and my vehicle was taken care of as expected! More
by anthonyschutt
Employees Worked With
October 01, 2025
Chris Cayse had been extremely helpful in my purchase of a Buick Envision. None better! of a Buick Envision. None better! More
by KATHYFROMMO
Employees Worked With
September 30, 2025
Ofallon GMC had the truck I was looking for and worked hard to get me in it. Most importantly though they were respectful of my time. The financing process was the quickest I've ever experienced at a d hard to get me in it. Most importantly though they were respectful of my time. The financing process was the quickest I've ever experienced at a dealership. More
by natewever
