New 877-441-3034 Dealer Website
Used 866-963-0739 Email Dealer
Service 866-634-5214

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Sales 9:00 AM - 5:00 PM
Service 8:00 AM - 12:00 PM
Mon 8:30 AM - 8:00 PM
Tue 9:00 AM - 6:00 PM
Wed 9:00 AM - 8:00 PM
Thu 9:00 AM - 6:00 PM
Fri 9:00 AM - 6:00 PM
Sat 9:00 AM - 5:00 PM
Sun Closed
Mon 8:00 AM - 5:00 PM
Tue 7:00 AM - 5:00 PM
Wed 8:00 AM - 5:00 PM
Thu 7:00 AM - 5:00 PM
Fri 8:00 AM - 5:00 PM
Sat 8:00 AM - 12:00 PM
Sun Closed
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Reviews

4.7
Average based on 38 reviews.
  • Great Sale process with Glenn Frye

    My husband and I were so very pleased with our dealings at DeCoskey. The showroom was very neat and clean. We were fortunate to have Glenn Frye he...

    Dealer Response

    Joan, I would like to start by sincerely thanking you for your recent visit to the dealership and purchase of a 2016 GMC Terrain. We appreciate ...


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    My husband and I were so very pleased with our dealings at DeCoskey. The showroom was very neat and clean. We were fortunate to have Glenn Frye help us with our purchase and trade in. His congenial and very informed manner was great and reassuring. We would not hesitate to purchase another vehicle from him. And we would gladly recommend him to our friends. We are grateful for the services rendered.

    Does recommend this dealer
    Shopped for a new car
    Did make a purchase
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    Dealer Response

    Joan, I would like to start by sincerely thanking you for your recent visit to the dealership and purchase of a 2016 GMC Terrain. We appreciate the opportunity to earn your business and look forward to helping you in the future with any of your vehicle needs. Glenn is a very devoted sales person and works very hard to make our customers happy with their experience. Thank you again for your time and we hope to hear from you again! Thanks, Autum Grandstaff


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  • Awesome experience!

    They are a great team to work with! Very much worth the drive from Columbus to buy a vehicle here!

    Dealer Response

    Angie, We greatly appreciate your business and hope your son enjoys the Rougue. Thanks for your time and kind words. Please let us know if we can...


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    They are a great team to work with! Very much worth the drive from Columbus to buy a vehicle here!

    Does recommend this dealer
    Shopped for a used car
    Did make a purchase
    0 people out of 0 found this review helpful. Did you?
    Dealer Response

    Angie, We greatly appreciate your business and hope your son enjoys the Rougue. Thanks for your time and kind words. Please let us know if we can do anything for you in the future. Thanks, Autum Grandstaff


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  • Great, fast service!

    I walked in and walked out with a new car in just a couple of hours. Andrew worked diligently with the finance department to get me a loan for eve...

    Dealer Response

    Jennifer, Thank you for your kind words! It was wonderful to work with you and get you into a very nice, comfortable and dependable vehicle! We ...


    Show Full Review

    I walked in and walked out with a new car in just a couple of hours. Andrew worked diligently with the finance department to get me a loan for even with bad credit. Thank you so much!

    Does recommend this dealer
    Shopped for a used car
    Did make a purchase
    1 people out of 1 found this review helpful. Did you?
    Dealer Response

    Jennifer, Thank you for your kind words! It was wonderful to work with you and get you into a very nice, comfortable and dependable vehicle! We hope you are enjoying your gently used Chrysler 200! If we can help in any way, please let us know! We look forward to helping in the future, Autum Grandstaff Internet Sales Manager


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Service & Repair

About Our Dealership

Dealer on Cars.com since March 2010

As your Mount Vernon Buick, Cadillac, Chevrolet, and GMC dealer we offer a friendly and knowledgeable sales staff, body and service shop, and even loaner cars. This is why Mount Vernon Chevrolet, Buick, GMC, and Cadillac customers alike make Decosky GM Center their new and used car truck dealer.We carry a large selection of new and used cars, trucks, and SUV's, as well as making it easy to get a quote, research financing, calculate payments or contact our service department online. No dealer covers Knox County better than Decosky GM, your Mount Vernon, OH GM dealer.

"Nobody Sells For Less!"