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John Dissen
John Dissen
Porsche Certified Brand Ambassador
Hennessy Porsche North Atlanta
990 Mansell Rd
Roswell, GA 30076
102 Reviews
I am an Atlanta native who has worked in the high line automotive industry since 1998 and pride myself on being my client’s trusted resource. Having personally bought over 40 cars, boats, and motorcycles, I consider myself not only an enthusiast but also someone who is familiar with the excitement as well as the apprehension associated with the buying process. My goal is to provide my clients exceptional service in the form of attention to detail, integrity and product knowledge.
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Write a Review102 Reviews of John Dissen
October 31, 2024
I had a very pleasant and productive visit to Hennessy Porsche as my sales representative, John Dissan, was exceptional and very professional, in coordinating my Cayenne purchase. I look forward in workin Porsche as my sales representative, John Dissan, was exceptional and very professional, in coordinating my Cayenne purchase. I look forward in working with them in the years to come during my ownership of this very attractive vehicle. More
by Henry Bassett
Other Employees Tagged: John Sargent
October 29, 2024
John Dissen and Mike Caldwell sold me a brand new Boxster with zero xx and plenty of helpful advice over a three day period. Great price, great trade and even finance was easy and low pressure. Can’t go wron with zero xx and plenty of helpful advice over a three day period. Great price, great trade and even finance was easy and low pressure. Can’t go wrong with Hennessy. Their people are lifetime professionals at the top of their game … and what a concept, they know the game is service! More
by Out of state buyer
Other Employees Tagged: Michael Caldwell, John Sargent
October 10, 2024
I have been a customer of John Dissen and the Hennessy team for close to 15 years. I have purchased 7 new Porsches from John and the experience is always a thrill and a pleasure for a car guy like me. Fr team for close to 15 years. I have purchased 7 new Porsches from John and the experience is always a thrill and a pleasure for a car guy like me. From ordering a new car to having it serviced, I consider Hennessy Porsche to be a great and trusted partner. More
by ed.steinman
Other Employees Tagged: John Sargent, Joel Hughes
October 08, 2024
John is an absolutely fantastic person to work with! He is a true professional, exceptionally knowledgeable, and treated my wife and I like we were VIP’s from the beginning. The entire ordering and sale He is a true professional, exceptionally knowledgeable, and treated my wife and I like we were VIP’s from the beginning. The entire ordering and sales process couldn’t have gone smoother. We received a good offer for our trade-in, and I highly recommend reaching out to John if you're in the market for a Porsche. Thank you John! More
by phenke23
Other Employees Tagged: John Sargent
August 25, 2024
John is an incredible person with whom to work. He is very professional and as great integrity but is also extremely personable and I believe genuinely cares about his customers. He is most inter He is very professional and as great integrity but is also extremely personable and I believe genuinely cares about his customers. He is most interested in building personal relationships. Have recommended him in the past and will do so in future. More
by Daryl
July 31, 2024
John took care of explaining all my different options and did an amazing job guiding me through everything. He was extremely knowledgeable and patient about all the questions i had. did an amazing job guiding me through everything. He was extremely knowledgeable and patient about all the questions i had. More
by marcelofraga
Other Employees Tagged: John Sargent, Charlie Edmondson
July 28, 2024
I have always received excellent treatment at this dealership. I bought my eighth car from them this last weekend. They are extremely helpful and reliable. My salesman, John, had everything ready dealership. I bought my eighth car from them this last weekend. They are extremely helpful and reliable. My salesman, John, had everything ready to go... he is very respectful of my time and goes out of his way to make things go smoothly. Couldn't be happier with my puirchase! More
by jhayseye
Other Employees Tagged: Chris Velez
May 31, 2024
When I decided I wanted to get the Porsche Cayenne Coupe, I immediately reached out to John at Hennessy Porsche for assistance. We had the car picked and mine picked up from Florida in no time. John made the I immediately reached out to John at Hennessy Porsche for assistance. We had the car picked and mine picked up from Florida in no time. John made the process extremely easy and even faced time me when my Cayenne was delivered to make sure all my questions were answered about the car settings and features. The professionalism and efficiency of working with John is the reason I came to him for help and definitely would again for future Porsche purchases! More
by dj.twigg
Other Employees Tagged: John Sargent
April 06, 2024
I had a fantastic experience purchasing a Taycan with John Dissen. He guided me through the buying process and made it a breeze, took the time to thouroughly explain features, and followed up to make sur John Dissen. He guided me through the buying process and made it a breeze, took the time to thouroughly explain features, and followed up to make sure things went well afterwards. By far the best experience I've had at any dealership. Will be back! More
by nguyent105
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