Nik Halaska
Nik Halaska at O'Fallon Buick GMC

Nik Halaska

Service Advisor

O'Fallon Buick GMC

2150 Technology Dr
O'Fallon, MO 63368

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4.9
413 Reviews

Dealership Experience

3 yrs, 8 mos

4.9

413 Reviews

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413 Reviews of Nik Halaska

November 12, 2025

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Employee Rating

Another great service experience! The service writers are very helpful,knowledgeable and professional They care about your vehicle and have an understandable approach to getting yo More

by TBERNSTETTER
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Recommend Dealer
Yes

Other Employees Tagged: Joe Peters, Don Koch

November 11, 2025

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The service was great. Also fast and on budget. The service manager Don Koch was very courteous and helpful. We will recommend your dealership to everyone we know More

by RODGERSD312
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Recommend Dealer
Yes

Other Employees Tagged: Joe Peters, Don Koch

November 10, 2025

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Nik was very professional with customer service and assisting me with a GM product warranty concern through the resolution center. Great Job!! More

by timbdreed
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Recommend Dealer
Yes

Other Employees Tagged: Joe Peters

November 09, 2025

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O’Fallon Buick GMC has the best service department that I have ever been to! More

by NAHALASKA
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Recommend Dealer
Yes

November 09, 2025

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Great dealership, everyone is very helpful , this is the best dealer for sales , for service or if you need a part. More

by donkoch1965
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Recommend Dealer
Yes

Other Employees Tagged: Joe Peters, Don Koch

November 09, 2025

Dealership Rating
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Top notch service from start to finish. Thanks guy&gals! I’m thankful to be apart of your family! See ya all shortly. Oh.. BTW, your dealership is spotless as always! That extends out More

by dpollard66
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Recommend Dealer
Yes

Other Employees Tagged: Joe Peters, Don Koch

November 07, 2025

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I received outstanding customer service and repair from Nick.This dealership is my new Buick, GMC go too.. Thanks! More

by timbdreed
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Recommend Dealer
Yes

November 06, 2025

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I will use them again and plan to take my car to them as well More

by poppycrow69
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Recommend Dealer
Yes

November 04, 2025

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My GMC 2500 Diesel batteries had died, I called them about the issue and getting it to there location. I was able to get it jumped by using 2 jump boxes (1 per battery) and called dealership about insta More

by CSMJWM
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Recommend Dealer
Yes

October 23, 2025

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Employee Rating

I had a fantastic experience with Ofallon Buick GMC! The service was excellent, and the team truly went above and beyond. A special thanks to Don Koch, Fixed Operations Manager, for his outstanding supp More

by RAYBURRELL
Service Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Joe Peters, Don Koch

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