O’Fallon Buick GMC

O’Fallon Buick GMC If you’re searching for a new Buick or GMC, or a used car, truck or SUV, O’Fallon Buick GMC has it!
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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’F

allon 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 and 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!

✅Norma and family upgraded to a class leading 2500 HD Denali Ultimate, well deserved and welcome to the O’Fallon Buick G...
09/01/2026

✅Norma and family upgraded to a class leading 2500 HD Denali Ultimate, well deserved and welcome to the O’Fallon Buick GMC family!✅

Sold by Gabby Munoz





✅Congratulations Eddie on your new Encore! Welcome to the O’Fallon Buick GMC family.✅Sold by Christy Raft-Thornton ...
09/01/2026

✅Congratulations Eddie on your new Encore! Welcome to the O’Fallon Buick GMC family.✅

Sold by Christy Raft-Thornton



✅Congrats to Ms.Donna on her brand new Denali Terrain. Thank you and drive safe. Welcome to the O’Fallon Buick GMC famil...
08/31/2026

✅Congrats to Ms.Donna on her brand new Denali Terrain. Thank you and drive safe. Welcome to the O’Fallon Buick GMC family.❤️✅

Sold by Christy Raft-Thornton





✅Darrel and Shiela flew all the way from Las Vegas to purchase this 2026 C8! Shiela’s the president of a Corvette Owners...
08/31/2026

✅Darrel and Shiela flew all the way from Las Vegas to purchase this 2026 C8!

Shiela’s the president of a Corvette Owners group and Darrel is also an enthusiast.

I hope you guys have a great trip back and thank you for shopping with Ofallon Buick GMC!✅

Sold by Chris Cayce



08/31/2026

✅ Congratulations Tyler on your first brand new car. We appreciate your business and hope you enjoy your new GMC Terrain for many years to come. Welcome to the O’Fallon Buick, GMC family. ✅

Sold by Jason Freed




08/31/2026

He thought I said ‘have a great weekend.’ I said ‘I’ll see you after Cancun.’

✅Thank you and congratulations to Christine on her new 2019 Chevy Tahoe . Referral from Ryan one of our service technici...
08/28/2026

✅Thank you and congratulations to Christine on her new 2019 Chevy Tahoe . Referral from Ryan one of our service technicians!!✅

Sold by Beau Campbell

✅ 2nd hard working farmer today! Tyler traded his 2021 Sierra for a new 2026 Sierra. We appreciate your business and con...
08/28/2026

✅ 2nd hard working farmer today! Tyler traded his 2021 Sierra for a new 2026 Sierra. We appreciate your business and congratulations on your new truck. Welcome to the O’Fallon Buick GMC family.✅

Sold by Jason Freed




✅ Special thank you to Sarah and her daughter on her new Buick Encore. Now mom doesn’t have to drive you to school and ...
08/28/2026

✅ Special thank you to Sarah and her daughter on her new Buick Encore. Now mom doesn’t have to drive you to school and practice. Welcome to the O’Fallon Buick GMC Family.✅

Sold by Jason Freed




✅ Kelly got a new Terrain Denali for her birthday today!✅Sold by Christy Raft-Thornton
08/28/2026

✅ Kelly got a new Terrain Denali for her birthday today!✅

Sold by Christy Raft-Thornton



Address

2150 Technology Drive
O'Fallon, MO
63368

Opening Hours

Monday 7am - 8pm
Tuesday 7am - 6pm
Wednesday 7am - 8pm
Thursday 7am - 6pm
Friday 7am - 8pm
Saturday 7am - 6pm

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