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
1614 total reviews
Showing the most recent reviews from Cars.com and DealerRater.
This was our 2nd purchase from Paul in less than a year.
This was our 2nd purchase from Paul in less than a year. He very easy and down to earth to work with. So if you’re in the market for a car are trucks go see Paul at O’Fallon GMC you’ll be happy you did.
Maximum rating = 5
I had a great experience there they will definitely help
I had a great experience there they will definitely help you find what your looking for and you will leave satisfied
Maximum rating = 5
I could not be happier with this dealership!
I could not be happier with this dealership! The guys in the service department are super helpful!
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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