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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'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 at 2150 Technology Drive, O'Fallon, MO 63368.



Coming from Spartanburg, SC, Darric Sewell is excited to take part in establishing O'Fallon Buick GMC. With over 20 years in the automotive industry, and over 10 years as a part of the Benson Automotive Group, Sewell carries a great deal of knowledge and experience which he will use to not only manage the O'Fallon Buick GMC dealership, but to also ensure that the values of the Benson Automotive Group be carried over.

Darric has played many roles within the industry, from floor sales to ownership. As such, he has seen first-hand the importance of customer and employee satisfaction, and uses his personal experience to help create the most comfortable environment and valuable interactions possible.

We Keep You Going

Get Your Vehicle Serviced in O'Fallon

O'Fallon Buick GMC strives to maintain long-term relationships with our clients from St Peters, Chesterfield, St Louis and St Charles, MO. We will continue to stay in touch with you after you have purchased your Buick or GMC. Our team of experts is committed to customer care. If it is time for you to get your car serviced, then you can get in touch with our O'Fallon service center. Our goal is to make sure that your car is in the best shape possible. We have the proper knowledge and training. We can make sure that all of the parts in your car are functioning properly. It is important to note that basic maintenance will allow you to keep your car for a long time. It will also help you save money. Furthermore, you can order authentic manufacturer parts and accessories from us. Not only will you be able to keep your Buick Encore, Enclave, GMC Acadia, Sierra 2500 HD or Sierra 1500 working properly for a long time, but you will also be able to keep it looking great.

Get in Touch

2150 Technology Drive
Directions O'Fallon, MO 63368

  • Contact Our Sales Department: (636) 200-3388
  • Monday9:00 am - 8:00 pm
  • Tuesday9:00 am - 6:00 pm
  • Wednesday9:00 am - 8:00 pm
  • Thursday9:00 am - 6:00 pm
  • Friday9:00 am - 8:00 pm
  • Saturday9:00 am - 6:00 pm
  • SundayClosed
  1. O'Fallon Buick GMC

    2150 Technology Drive
    O'Fallon, MO 63368

    • Sales: (636) 200-3388
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