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O'Fallon Buick GMC
O'Fallon, MO
1,648 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
Top Reviewed Employees
Latest Reviews
January 01, 2026
We had the best experience with Blake at Ofallon Buick
GMC. He found the exact car we wanted and offered a no pressure experience while constantly staying in touch and being straightforward and honest.
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by JLC253
Verified Customer
Verified Customer
Employees Worked With
January 01, 2026
Always awesome service.
NICK ROCKS !! Highly recommend using O'Fallon GMC for your service needs
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by mrjohnston82
Verified Customer
Verified Customer
Employees Worked With
December 31, 2025
Ofalon GMC is committed to excellence.
They were attentive to what I was looking for in a vehicle and not pressuring my into anything else. I would highly recommend.
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by kevin_bathe
Verified Customer
Verified Customer
Employees Worked With
Dealership Inventory (323 Vehicles)
Amenities
- After Hours Drop-Off
- Authorized Accessories Store
- Authorized Parts Store
- Children's Play Room
- Customer Lounge Area
- Drive-In Service
- Express Service
- Free Coffee
- Free Drinks
- Free WiFi
- Pet Friendly
- Quick Lube
- Shuttle Service
- Television
