
O'Fallon Buick GMC
O'Fallon, MO
Hours
Sales/Showroom
Monday 9:00 AM - 8:00 PM
Tuesday 9:00 AM - 6:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 6:00 PM
Friday 9:00 AM - 8:00 PM
Saturday 9:00 AM - 6:00 PM
Sunday Closed
Service
Monday 7:00 AM - 6:00 PM
Tuesday 7:00 AM - 6:00 PM
Wednesday 7:00 AM - 6:00 PM
Thursday 7:00 AM - 6:00 PM
Friday 7:00 AM - 6:00 PM
Saturday 7:00 AM - 1:00 PM
Sunday Closed
Parts
Monday 7:00 AM - 6:00 PM
Tuesday 7:00 AM - 6:00 PM
Wednesday 7:00 AM - 6:00 PM
Thursday 7:00 AM - 6:00 PM
Friday 7:00 AM - 6:00 PM
Saturday 7:00 AM - 1:00 PM
Sunday Closed
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Customer advocate was very helpful and made the process very easy. Shop had the tire replaced quickly and was back out the door very fast. very easy. Shop had the tire replaced quickly and was back out the door very fast. More
Staff were excellent, cleanest and well stocked for guest needs service waiting area I've seen in a long time. guest needs service waiting area I've seen in a long time. More
Great dealership all around from management on down. Very customer focused and the entire process was quick and hassle free. Very customer focused and the entire process was quick and hassle free. More
Walter was wonderful to work with! I love my new GMC Acadia! Thank you Walter! I love my new GMC Acadia! Thank you Walter! More
Roger Silva is the bees knees. No doubt about it. Call him for your next purchase No doubt about it. Call him for your next purchase More
Christy took great care of us as we shopped for our new Terrain. Great experience all around. Terrain. Great experience all around. More
The Staff and Employees will go the extra mile to care for your car needs. for your car needs. More
They have been very easy to work with online and over the phone. Harold has been wonderful. phone. Harold has been wonderful. More
O'Fallon Buick GMC was very attentive to our needs and the salesperson, Devan, The CarMatchMaker, was quite knowledgeable and professional. He stayed vigilant through the whole process, even making sure w the salesperson, Devan, The CarMatchMaker, was quite knowledgeable and professional. He stayed vigilant through the whole process, even making sure we left the dealership okay! Everybody else had gone, but he was there til the end! More