2150 Technology Drive
O Fallon, MO 63368
Sales: 636-630-1006
Used Cars: 636-630-1006
Sales Department
| Sun | Closed |
| Mon | 9:00am – 8:00pm |
| Tue | 9:00am – 6:00pm |
| Wed | 9:00am – 8:00pm |
| Thu | 9:00am – 6:00pm |
| Fri | 9:00am – 8:00pm |
| Sat | 9:00am – 6:00pm |
Service Department
| Sun | Closed |
| Mon | 7:30am – 6:00pm |
| Tue | 7:30am – 6:00pm |
| Wed | 7:30am – 6:00pm |
| Thu | 7:30am – 6:00pm |
| Fri | 7:30am – 6:00pm |
| Sat | 7:30am – 1:00pm |
Overall Rating:
4.9 (out of 5)
97% recommend this dealer
1617 total reviews
Showing the most recent reviews from Cars.com and DealerRater.
Don and Chip in service are the best!
Don and Chip in service are the best!!! Excellent communication and quick turn around! Highly recommended!!
Maximum rating = 5
This dealership has provided me with excellent service
This dealership has provided me with excellent service thus far, and I particularly appreciate the service department, which I visited for the first time yesterday. I intend to continue patronizing this establishment as long as I am in the market for a vehicle and they offer models that suit my preferences.
Maximum rating = 5
Blake Sobelman was great to work with.
Blake Sobelman was great to work with. Dealership had significant inventory with the options I was looking for. The process was painless and the least amount of time I had to spend in a dealership in my history of buying a vehicle.
Maximum rating = 5
At O'Fallon Buick GMC, we're more than just a car dealership in O'Fallon. We're also members of the greater St Peters, Chesterfield, St Louis St and St Charles MO communities, who work and live here just like you, and we want only what's best for our neighbors. We strive to support community initiatives and events, and we're committed to delivering the best customer service around, from new Buick and GMC sales, to used vehicles, to finance and service. We provide the best of the best to all our customers. Whatever you're shopping for, our sales team is here to ensure a seamless experience throughout every step of the vehicle-buying process. Know exactly what you want? Great! We'll help you secure the best financing for your budget. Not sure where to start? No problem! We can help you narrow down your options, so you can select the best Buick or GMC for your needs.
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