Mark Preston

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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Mark Preston, Great and confident salesman! ! He was extremely knowledgeable of the car. He explained everything in detail. He was very patient and thorough. Thanks. Eleanor and Allan ! He was extremely knowledgeable of the car. He explained everything in detail. He was very patient and thorough. Thanks. Eleanor and Allan More

by akacornelius Verified Customer Verified Customer

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Mr. Mark Preston exceeded our expectations of a salesman at your facilty. He answered all of our questions and concerns. Mark was thorough and patient with us(both of us 70+). This is my third or fourth car at your facilty. He answered all of our questions and concerns. Mark was thorough and patient with us(both of us 70+). This is my third or fourth car purchase from this location. I live on the southside. I have not been disappointed yet!! Mr. Preston is an asset for your company! He is a keeper! Eleanor and Allan More

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Great service I love my car some things could’ve been better but other then that I recommend better but other then that I recommend More

by JASMINEHOWARD386 Verified Customer Verified Customer

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My experience with this establishment was very professional, it felt honest, and to the point. The information provided was necessary and appreciated. professional, it felt honest, and to the point. The information provided was necessary and appreciated. More

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Mark was extremely professional and helpful in the purchase of my vehicle. He worked with me during the entire financial process and took additional steps to help me secure my vehicle selection. I purchase of my vehicle. He worked with me during the entire financial process and took additional steps to help me secure my vehicle selection. I Highly recommend Mark as a salesman! More

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