O'Fallon Buick GMC - Service Center

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

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

Easy and convenient, friendly staff, great job. n/a, n/a, n/a, n/a, n/a, n/a, n/a, n/a, 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

Nik was an amazing service advisor. First class all the way! Moved here from Florida and was glad to find a great service center like I was used to. They have my business. First class all the way! Moved here from Florida and was glad to find a great service center like I was used to. They have my business. More

Great service call as usual with OFallon GMC. In and out in less than an hour. Very friendly and professional. In and out in less than an hour. Very friendly and professional. More

Got me in, got me out, dynamite! Other places told me two weeks to get in, not OFallon, GMC, they were immediately accommodating Other places told me two weeks to get in, not OFallon, GMC, they were immediately accommodating More

Fast, Friendly,Professional. Will use Ofallon GMC Buick in the future for my Buick service Will use Ofallon GMC Buick in the future for my Buick service More

Friendly, knowledge service and very professional. Look forward to working with them for many years. Look forward to working with them for many years. More

many clamps and electrical wiring left unattached and the airbox was bolted down incorrectly. Poor attention to the small stuff airbox was bolted down incorrectly. Poor attention to the small stuff More