O'Fallon Buick GMC - Service Center

Staff was very professional and pleasant to work with. It was my first time doing business with the dealership and am very satisfied. I will recommend your dealership to my friends. It was my first time doing business with the dealership and am very satisfied. I will recommend your dealership to my friends. More

They have always been honest with me and I’ve never felt like my business didn’t matter. I will continue to use Ofallon GMC and hopefully buy a car there to round out my total exspiriance there. Ps my daugh like my business didn’t matter. I will continue to use Ofallon GMC and hopefully buy a car there to round out my total exspiriance there. Ps my daughter works for Dave Sinclair GMC and they are a 2!on a scale of 1 to 10 just my opinion. More

Cleanest shop in town. This is my go to dealership for service. Every employee is knowledgeable and friendly. Great place to have your vehicle serviced. This is my go to dealership for service. Every employee is knowledgeable and friendly. Great place to have your vehicle serviced. More

Got me in right away. Service was done right away. Everybody was extremely friendly and courteous and out the door and I was very happy with everything. Service was done right away. Everybody was extremely friendly and courteous and out the door and I was very happy with everything. More

I had another great experience. This time my warranty information was already applied without me having to do a single thing. Everyone was pleasant, and I was in and out of ther This time my warranty information was already applied without me having to do a single thing. Everyone was pleasant, and I was in and out of there in under an hour for my oil change and tire rotation. Thank you! More

Great dealership with friendly pea[le. Service Is top notch and work is completed in a timely manor. Service Is top notch and work is completed in a timely manor. More

These guys know how to treat a customer and get the problem resolved in a timely and professional manner. problem resolved in a timely and professional manner. More

By far this dealership is The Best in Service! Always professional, transparent, fast, friendly and reliable! Always professional, transparent, fast, friendly and reliable! More

Very clean, nice environment with friendly helpful people! Service was awesome and in a timely fashion people! Service was awesome and in a timely fashion More

I brought my 2020 GMC 1500 Denali in for oil change, transmission flush, tire rotation, and serpentine belt replacement. I called my service advisor Nik on a Wednesday and had my truck in for service on transmission flush, tire rotation, and serpentine belt replacement. I called my service advisor Nik on a Wednesday and had my truck in for service on Thursday morning and picked it up after lunch Thurday afternoon. Everyone I meet was friendly and helpful. More