Greg Kostelny
General Sales Manager
Fox Valley Buick GMC
1421 East Main Street
Saint Charles, IL 60174
8 Reviews
Write a ReviewDealership Experience
3 yrs, 1 mo
8 Reviews of Greg Kostelny
July 21, 2023
Very professional group of people. It felt like everyone took pride it their jobs and wanted to insure that I was satisfied with my purchase. It felt like everyone took pride it their jobs and wanted to insure that I was satisfied with my purchase. More
Other Employees Tagged: Jim Cullom
June 29, 2023
Mike Hampel was a great sales rep. He got us the best deal he could. He wasn’t pushy or condescending. He was very knowledgeable about our Encore. We will definitely go back there. He got us the best deal he could. He wasn’t pushy or condescending. He was very knowledgeable about our Encore. We will definitely go back there. More
Other Employees Tagged: Mike Hampel
March 28, 2023
Our salesman, Jim Cullom, is the very best! ! He is friendly, honest, knowledgeable and goes out of his way to help you with your purchase or lease. Everything ran smoothly. This dealership is ! He is friendly, honest, knowledgeable and goes out of his way to help you with your purchase or lease. Everything ran smoothly. This dealership is top notch. Excellent staff, very clean and pleasant. More
Other Employees Tagged: Jim Cullom
March 12, 2023
I have been a Cadillac owner since 1979 and I have never been treated as special as I was at Fox Valley Buick. John went above and beyond to explain things and make sure I understood. I was really impress been treated as special as I was at Fox Valley Buick. John went above and beyond to explain things and make sure I understood. I was really impressed! More
Other Employees Tagged: Alex Katselis , John Cordova
February 26, 2023
This is the 4th vehicle we have purchased from Fox Valley Auto Group. And the reason why is because we have always been able to get the vehicle at a fair price, the people we have dealt with in the sales and Auto Group. And the reason why is because we have always been able to get the vehicle at a fair price, the people we have dealt with in the sales and service department have been very nice and explained everything. We have purchased 2 Buicks and 2 GMC's at Fox Valley Auto Group. And we will probably purchase another vehicle from them when the time comes. More
Other Employees Tagged: Frank Rubino , Frank Butnaru, John Cordova
February 18, 2023
The team of Mike Hampel (Sales), Greg Kostelny (Manager)and John Cordova (Finance) exceeded all of my expectations and made my purchasing experience a great one. From start to finish Mike Hampel w (Manager)and John Cordova (Finance) exceeded all of my expectations and made my purchasing experience a great one. From start to finish Mike Hampel was understanding, compassionate and helpful with this transaction and he’s still helping me out setting up all the new tech items. Big kudos to this team! More
Other Employees Tagged: Mike Hampel , John Cordova
February 10, 2023
John Cordova and team were great. The truck I put a deposit on was delayed by the manufacturer. John was very open and honest in his communication with me. Alex in the F&I was a pleas The truck I put a deposit on was delayed by the manufacturer. John was very open and honest in his communication with me. Alex in the F&I was a pleasure as well. One of the best car buying experiences I’ve ever had. More
Other Employees Tagged: Alex Katselis