Mark Preston

I had a great experience working with Mark. He took the time to answer all my questions, explained the features in detail, and made sure I felt confident in my decision. Working with him made t He took the time to answer all my questions, explained the features in detail, and made sure I felt confident in my decision. Working with him made the car-buying process smooth and enjoyable. I truly appreciate his guidance and would highly recommend Mark to anyone looking for an exceptional car-buying experience. More

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Mark is an excellent sales professional and a pleasure to work with! Thank you for your outstanding service! work with! Thank you for your outstanding service! More

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I had a great experience at this dealership. Mark did a wonderful job assisting me to have a swift and successful car buying experience. He is very knowledgeable and helpful regarding leasing an Mark did a wonderful job assisting me to have a swift and successful car buying experience. He is very knowledgeable and helpful regarding leasing and purchasing options. I would definitely recommend him to others. More

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I had the opportunity to meet two great sales consultants Darryl and Mark. Darryl was the 1st to assist me with the test drive of my purchase of interest but due to unforeseen circumstances he had to refer m Darryl and Mark. Darryl was the 1st to assist me with the test drive of my purchase of interest but due to unforeseen circumstances he had to refer me to Mark who helped assist with me confirming that I was making the right purchase for myself. Mark was very detailed in showing the specs of the vehicle. Any questions I had he was a straight shooter in answering. He’s very prompt also and I’m sure that has a lot to do with is military background. I’m grateful for the assistance provided in helping me make one of my dream purchases. Looking forward to referring others and hopefully making another purchase in the future. More

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Mark is very knowledgeable and was patient with us in the process of finding the perfect car for our family. Would definitely recommend if you’re on hunt for a new vehicle. Thank you Mark! process of finding the perfect car for our family. Would definitely recommend if you’re on hunt for a new vehicle. Thank you Mark! More

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Darryl was amazing. He was very thorough with explaining the equipment. He was very knowledgeable and he also seemed to care about us having a great customer experience. He was very thorough with explaining the equipment. He was very knowledgeable and he also seemed to care about us having a great customer experience. I would highly recommend not only Infiniti of Gwinnett, but also Darryl as a sales rep. Thank you Darryl. More

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We had an amazing experience working with Mark Preston. He was extremely knowledgeable and professional and worked patiently with us as we explored our options. We purchased a beautiful new QX50S and we He was extremely knowledgeable and professional and worked patiently with us as we explored our options. We purchased a beautiful new QX50S and we love it. Mark put us at ease and answered all of our questions and concerns. He made making a major purchase as painless as possible. All of the Infiniti staff was so helpful and friendly. We are pleased to be a new member of the Infiniti family. More

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From my first contact with Mr. Mark online until the final paperwork, our experience was a pleasure. Shopping for my parents a new car was stressful but Mr. Mark was patient, knowl Mark online until the final paperwork, our experience was a pleasure. Shopping for my parents a new car was stressful but Mr. Mark was patient, knowledgeable and kind. He took time to thoroughly explain every aspect of the 2025 QX50 to us. He was engaging and fun. Then to find out he was a fellow soldier, made my day!! He was extremely professional and caring in helping to make our decision and easy one! My husband and I have even discussed a purchase in the near future. Mark, my parents and I are forever grateful for you! #AwesomeBlessing #Family More

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I will start by saying thanks Mark! I have bought a lot of cars in my time, but none went more smoothly than this one did. Mark exemplifies excellence. His knowledge, his attention to d I have bought a lot of cars in my time, but none went more smoothly than this one did. Mark exemplifies excellence. His knowledge, his attention to detail and the specifics, his personality, it all combined to make this a buying experience worth commenting on. i am one who appreciates good service, and Mark covered every angle. Looking for an Infiniti vehicle? Go see Mark at Infiniti of Gwinnett Duluth! You will be glad that you did. I came in for service today, and left with a new car. That just about says it all… More

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I first visited about 4 months ago, and when I was ready to buy on Saturday, I returned to Mr. Preston. He remembered me and exactly what I was looking for, which made the process so smooth. He was patient, to buy on Saturday, I returned to Mr. Preston. He remembered me and exactly what I was looking for, which made the process so smooth. He was patient, knowledgeable, and made buying my certified car completely stress-free. Thank you for the excellent service—highly recommended! More

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