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O'Fallon Buick GMC

O'Fallon, MO

4.8
1,335 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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2150 Technology Dr

O'Fallon, MO

63368

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Showing 1,335 reviews

June 12, 2025

I was in the market for a new work truck and O'Fallon came up as one of the top rated dealers with the best discounts in the nation, so I gave them a call and got Paul as my Sales guy. Paul and I went ba More

by Aweisensel
Sales Price Transparency
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Recommend Dealer
Yes
Employees Worked With
Rick Deppen
2.0
This rating includes all reviews, with more weight given to recent reviews.
Michael Johnson
5.0
This rating includes all reviews, with more weight given to recent reviews.
Paul Mansker
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 11, 2025

Ease to schedule, efficient, professional. Work done well. Large, clean waiting area. Team members kind and friendly. More

by LASINSKI3
Service Time
Recommend Dealer
Yes
Employees Worked With
Nik Halaska
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 10, 2025

I went to O'Fallon Buick GMC for an inspection of my 2023 GMC Acadia prior to renewing my license plates. I purchased my Acadia there. I was unfortunately late to my appointment by about a 1/2 hour, due to More

by timothyrydel
Service Price Transparency
Workmanship
Service Time
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Recommend Dealer
Yes
Employees Worked With
Nik Halaska
5.0
This rating includes all reviews, with more weight given to recent reviews.
Joe Peters
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 10, 2025

It would have been great if I didn’t have to come 3 times to get one problem fixed when it should have been fixed the first visit. I also had to dive from Warrenton to Ofallon both ways in terrible traffic More

by CORRIGANANN
Service Price Transparency
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Recommend Dealer
Yes
Employees Worked With
Nik Halaska
4.0
This rating includes all reviews, with more weight given to recent reviews.
Joe Peters
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 10, 2025

Exceptional Experience from Start to Finish The entire car-buying process was incredibly smooth and hassle-free. The team worked closely with me every step of the way—even up until the very last minute t More

by neffdalton92
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Michael Johnson
5.0
This rating includes all reviews, with more weight given to recent reviews.
Paul Mansker
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 08, 2025

Joe and service department always do a great job communicating with me. I trust them with all my GMC services. More

by JGKLEEKAMP
Service Price Transparency
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Recommend Dealer
Yes
Employees Worked With
June 08, 2025

Beau was very helpful in helping me purchase my truck and made it a smooth process. More

by AHMEDWAHBA638
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Beau Campbell
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 08, 2025

Nick was very helpful. Very good experience in buying new truck. o would and will recomend this dealership. Thanks More

by davidtritz
Sales Price Transparency
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Recommend Dealer
Yes
Employees Worked With
Nick Damaso
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 06, 2025

Worked was completed on time. Would highly recommend using them for any service your vehicle needs. More

by bpeters378
Service Price Transparency
Workmanship
Service Time
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Recommend Dealer
Yes
Employees Worked With
Don Koch
5.0
This rating includes all reviews, with more weight given to recent reviews.
June 06, 2025

This was one of the best experiences at a dealership I have ever had. No pressure and very low key. More

by Trish Collins
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes
Employees Worked With
Walter Washington
5.0
This rating includes all reviews, with more weight given to recent reviews.
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