Skip to main content

O'Fallon Buick GMC

(1,565 reviews)
Sales hours: 9:00am to 8:00pm
Service hours: 7:30am to 6:00pm
View all hours
Sales Service
Monday 9:00am–8:00pm 7:30am–6:00pm
Tuesday 9:00am–6:00pm 7:30am–6:00pm
Wednesday 9:00am–8:00pm 7:30am–6:00pm
Thursday 9:00am–6:00pm 7:30am–6:00pm
Friday 9:00am–8:00pm 7:30am–6:00pm
Saturday 9:00am–6:00pm 7:30am–1:00pm
Sunday Closed Closed
2025 consumer dealer award
View 1 awards
2025 consumer dealer award
New (636) 409-5328 (636) 409-5328
Used (636) 409-5324 (636) 409-5324
Service (636) 409-5321 (636) 409-5321

Reviews

(1,565 reviews)

A dealership's rating is based on all of their reviews, with more weight given to recent reviews. Includes reviews of O'Fallon Buick GMC from DealerRater.

Want to share your experience with this dealership?

Write a review

Everyone at this dealership from the owner to the sales

Everyone at this dealership from the owner to the sales people are friendly, courteous, professional and very helpful.

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Shopped for a new car
0 people out of 0 found this review helpful.

Zach was quick to get my truck delivered from another

Zach was quick to get my truck delivered from another store and the trade in process was extremely easy.

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Shopped for a new car
Worked with:
0 people out of 0 found this review helpful.

just wondering why it took three trips to dealership to

just wondering why it took three trips to dealership to get my truck stearing fixed?

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 3.0
  • Does recommend this dealer
  • Came in for service or repair
0 people out of 0 found this review helpful.

Hakeem was great!

Hakeem was great! He helped us decide between 3 different vehicles, made recommendations and didn’t try to sell us something we didn’t want or out of our price range.

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Shopped for a new car
0 people out of 0 found this review helpful.

Devan Walls is an amazing salesman he took his time to

Devan Walls is an amazing salesman he took his time to talk to us to see what our likes,needs, and wants in a car

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Shopped for a used car
0 people out of 0 found this review helpful.

Second purchase here and easy experience without some of

Second purchase here and easy experience without some of the common hassles of buying a car.

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Came in for service or repair
0 people out of 0 found this review helpful.

Paul and Staff were awesome.

Paul and Staff were awesome. Fastest car closing I have ever had, and Michael in finance was great too! Strongly recommend this group for your new car needs. Thank you!

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Shopped for a new car
0 people out of 0 found this review helpful.

The people are friendly and Devan was great to work with

The people are friendly and Devan was great to work with in purchasing of my new truck

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Shopped for a new car
0 people out of 0 found this review helpful.

As always, courteous, efficient, and quality workmanship.

As always, courteous, efficient, and quality workmanship. The work was completed in less time than predicted, and my vehicle was serviced very well!

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Came in for service or repair
Worked with:
0 people out of 0 found this review helpful.

My recent service appointment at Ofallon GMC was flawless

My recent service appointment at Ofallon GMC was flawless and a pleasant experience. Also, my vehicle was washed and ready to go at the time promised..

Rating breakdown (out of 5):
  • Customer service
  • Buying process
  • Quality of repair
  • Overall facilities
  • Overall experience 5.0
  • Does recommend this dealer
  • Came in for service or repair
Worked with:
0 people out of 0 found this review helpful.