
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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It is a beautiful and clean service center. Everyone is very friendly and welcoming and my car was ready in no time even after being washed! I love that extra step they take for their cust Everyone is very friendly and welcoming and my car was ready in no time even after being washed! I love that extra step they take for their customers. More
We always have a great experience with this dealership. We changed our minds several times in our purchase process these last couple of weeks. They were incredibly patient and just wanted to be sure we bou We changed our minds several times in our purchase process these last couple of weeks. They were incredibly patient and just wanted to be sure we bought the car that was perfect for us. More
We were so so pleased with everything start to finish! I came up to buy a new car and my husband bought a new truck as well. Christy is amazing! Everyone is so incredibly friendly and so helpful! I came up to buy a new car and my husband bought a new truck as well. Christy is amazing! Everyone is so incredibly friendly and so helpful! More
Honest upfront done when promised and worked with me on the price. Also appreciated the car wash the price. Also appreciated the car wash More
Joe was a big help by finding me a great set of tires before the winter and it came with a rebate! before the winter and it came with a rebate! More
Great service department that takes care of customers. I have had bad experiences with other GM dealers in the area, and will not use any other GM dealer for service from now on. I have had bad experiences with other GM dealers in the area, and will not use any other GM dealer for service from now on. More
Great customer service, always friendly and will treat you like family. I will tell everyone I know they are the best you like family. I will tell everyone I know they are the best More
Christy Thornton and the entire staff was great! I highly recommend this dealer to anyone. I highly recommend this dealer to anyone. More
Everyone was great to work with. No issues what so ever. I would highly recommend my friends and family. No issues what so ever. I would highly recommend my friends and family. More