Dealership Experience
7 yrs, 6 mos
Industry Experience
20 yrs, 6 mos
Languages Spoken
English
60 Reviews
Write a Review60 Reviews of Jason Duncan
June 13, 2026
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 exceptionally well in assisting me with the purchase of my new Sierra 3500HD starting with the initial special order process, providing progress updates and tracking of the manufacturing status, and preparing and detailing the unit for final delivery. I highly recommend Tillery Buick GMC for all your purchase and service needs! More
Other Employees Tagged: Dan Hoagland, Donna Coffman, Freddy Mora, Gabe Candelaria, Rudy Jauregui, Justin Post
June 12, 2026
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 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 with and would strongly recommend doing business with them. More
Other Employees Tagged: Donna Coffman, Justin Post
April 28, 2026
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 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 staff was friendly and welcoming as well. I highly recommend asking for Donna if you’re looking for a new car! More
Other Employees Tagged: Donna Coffman, Justin Post
April 27, 2026
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 the whole team were incredible. Donna was great to work with-knowledgeable, easygoing, and genuinely attentive. Claude kept everything smooth on the financing side, and Jason truly went above and beyond with his level of care and personal touch. That gesture made the experience feel truly special and memorable. Justin was also very helpful and made sure we were assisted when needed. We drove away in a beautiful GMC Acadia and felt completely taken care of. The entire team.made the experience, feel easy and enjoyable from start to finish. It truly felt personal, not just business-and that’s what earns long-term loyalty. More
Other Employees Tagged: Donna Coffman, Gabe Candelaria, Rudy Jauregui, Claude Ferebee, Justin Post
February 20, 2026
Donna was very friendly from the beginning She explained everything, we felt very comfortable with her everything, we felt very comfortable with her More
Other Employees Tagged: Donna Coffman
June 09, 2025
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. everything thoroughly and her customer service is awesome, Tillery in Los Lunas is Highly recommended. This is the dream team. More
Other Employees Tagged: Donna Coffman, Justin Post
April 12, 2025
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! 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
Other Employees Tagged: Donna Coffman
January 20, 2025
Donna is a great person to work with. We will definitely recommend her and Tillery. We will definitely recommend her and Tillery. More
Other Employees Tagged: Donna Coffman, Freddy Mora, Justin Post
December 19, 2024
Amazing service, very friendly and helpful made the process a whole lot easier. Was always checking in to see if we needed anything else process a whole lot easier. Was always checking in to see if we needed anything else More
Other Employees Tagged: Donna Coffman
October 25, 2024
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 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 change!! More
Other Employees Tagged: Donna Coffman

