Jason Duncan
Jason Duncan at Tillery Buick GMC

Jason Duncan

General Sales Manager

Tillery Buick GMC

2221 Autumn Brush Rd NW
Los Lunas, NM 87031

Contact Me
5.0
60 Reviews

Dealership Experience

7 yrs, 6 mos

Industry Experience

20 yrs, 6 mos

Languages Spoken

English English

5.0

60 Reviews

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60 Reviews of Jason Duncan

June 13, 2026

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Employee Rating

The professional team at Tillery Buick GMC performed exceptionally well in assisting me with the purchase of my new Sierra 3500HD starting with the initial special order process, providing progress upda More

by p_helmick
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Recommend Dealer
Yes

June 12, 2026

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Top notch. I didn’t have to wait for service, told them what I was looking for and in no time my trade in was evaluated and we struck a fair deal I was happy wi More

by larrydale187
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Recommend Dealer
Yes

Other Employees Tagged: Donna Coffman, Justin Post

April 28, 2026

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I had a great experience at Tillery GMC! Donna was amazing—she was very helpful, made the whole process quick and easy, and helped me get into my new vehicle without any stress. The entire s More

by yeseniavarela5
Sales Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Donna Coffman, Justin Post

April 27, 2026

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We had such a great experience with Tillery GMC-Donna and the whole team were incredible. Donna was great to work with-knowledgeable, easygoing, and genuinely attentive. Claude kept everything smooth on More

by sylviaclemens
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Recommend Dealer
Yes

February 20, 2026

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Donna was very friendly from the beginning She explained everything, we felt very comfortable with her More

by beatafoya23
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Recommend Dealer
Yes

Other Employees Tagged: Donna Coffman

June 09, 2025

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Jason, Donna, and Justin were the best, Donna explained everything thoroughly and her customer service is awesome, Tillery in Los Lunas is Highly recommended. This is the dream team. More

by marthamahboub
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Recommend Dealer
Yes

Other Employees Tagged: Donna Coffman, Justin Post

April 12, 2025

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Tillery and its team are amazing! They aren't pushy and help you in anyway they can! Donna goes above and beyond and makes the car buying experience easy and quick! More

by culibarr2007
Sales Price Transparency
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Recommend Dealer
Yes

Other Employees Tagged: Donna Coffman

January 20, 2025

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Donna is a great person to work with. We will definitely recommend her and Tillery. More

by rudedawg4652
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Recommend Dealer
Yes

December 19, 2024

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Amazing service, very friendly and helpful made the process a whole lot easier. Was always checking in to see if we needed anything else More

by neivamartinez89
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Recommend Dealer
Yes

Other Employees Tagged: Donna Coffman

October 25, 2024

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Employee Rating

I didn’t feel pressured. Nor did I have a know it all salesman. Donna was great, Justin was great, my pickup was shiny and clean. And I got a full tank of gas and an oil ch More

by claudettegallegos723
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Recommend Dealer
Yes

Other Employees Tagged: Donna Coffman

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