Don Koch
Don Koch at O'Fallon Buick GMC

Don Koch

Fixed Operations Director

O'Fallon Buick GMC

2150 Technology Dr
O'Fallon, MO 63368

Contact Me
4.8
246 Reviews
4.8

246 Reviews

Write a Review

246 Reviews of Don Koch

September 07, 2025

Dealership Rating
Employee Rating

The employees are helpful and friendly and the service work was done in a timely manner. The coffee bar was very nice and everything looked delicious. They also take GM competitors coupons which was very More

by RJMG123
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Nik Halaska, Joe Peters

September 05, 2025

Dealership Rating
Employee Rating

Great service always thanks Never had a bad experience 100% recommend Friendly people 👌👌 Joe and nik On service department More

by MIMEXICOLINDOSTL
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Nik Halaska, Joe Peters

August 30, 2025

Dealership Rating
Employee Rating

Customer advocate was very helpful and made the process very easy. Shop had the tire replaced quickly and was back out the door very fast. More

by Michael
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Nik Halaska, Joe Peters

August 29, 2025

Dealership Rating
Employee Rating

Staff were excellent, cleanest and well stocked for guest needs service waiting area I've seen in a long time. More

by douglasrn958
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Joe Peters

August 28, 2025

Dealership Rating
Employee Rating

The Staff and Employees will go the extra mile to care for your car needs. More

by SHARONEATON326
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Joe Peters

August 13, 2025

Dealership Rating
Employee Rating

Total professional service from the time ya get there. These guys are finally oiled machines, no pun intended. Lol! Thanks for keeping my truck tiptop shape! You were right, Donnie. It is the More

by dpollard66
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

August 10, 2025

Dealership Rating
Employee Rating

They made the car buying experience enjoyable. Got a fair price and the salesperson was not pushy. They also introduced us to the service department and intend on using them for all maintenance. More

by bryan.vaughn
Sales Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Recommend Dealer
Yes

August 09, 2025

Dealership Rating
Employee Rating

This is one of the best dealerships I've ever dealt with. Great owners Walter was amazing thanks for everything Go see Walter. He will treat you right. Thanks. More

by JOSEPHRJ1958
Sales Price Transparency
Purchase Time
Finance Experience
Recommend Dealer
Yes

August 07, 2025

Dealership Rating
Employee Rating

Always a pleasant experience. The staff and facilities are first rate! I usually have an idea what I need and they don't try to oversell. More

by mma1286
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Nik Halaska, Joe Peters

July 23, 2025

Dealership Rating
Employee Rating

Very accommodating and thorough! Very friendly and quick! Don was excellent to work with and Nick was great too! More

by PATTY.CRADY
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes

Other Employees Tagged: Nik Halaska, Joe Peters

1
...

Dealership Inventory (391 Vehicles)

used 2023 GMC Sierra 2500 car, priced at $63,900
2023 GMC Sierra 2500
used
Pacific Blue Metallic exterior
Automatic
Four-wheel Drive
new 2026 GMC Sierra 1500 car, priced at $74,644
2026 GMC Sierra 1500
new
Onyx Black exterior
Automatic
Four-wheel Drive
used 2015 Toyota Avalon car, priced at $17,500
2015 Toyota Avalon
used
Celestial Silver Metallic exterior
Automatic
Front-wheel Drive
new 2026 Buick Envista car, priced at $28,655
2026 Buick Envista
new
Summit White exterior
Automatic
Front-wheel Drive
new 2026 GMC Sierra 1500 car, priced at $73,652
2026 GMC Sierra 1500
new
Onyx Black exterior
Automatic
Four-wheel Drive
new 2026 Buick Encore GX car, priced at $27,950
2026 Buick Encore GX
new
Summit White exterior
Automatic
Front-wheel Drive