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Certified Pre-Owned
Each Buick, Chevrolet, GMC CPO vehicle is thoroughly inspected, reconditioned, and includes two factory-backed limited warranties with roadside assistance.

Current Offers
View this month's current offers and promotions on select Buick, Chevrolet, GMC vehicles.
Our Reviews
We purchased a used 2021 vehicle from Ken Nelson Auto Group. I put in a request for information on the vehicle via their website and Brandon called my within 10 minutes. We drove in the next morning and he had it waiting for us at the door for a test drive. The offered us a good trade value for our vehicle and that made it an easy decision to make the trade. Good price, good trade value and easy financing. A+
I took my granddaughter to look at a vehicle at Ken Nelson’s. Our salesman was Peter Powers He did an awesome job of explaining the process and making sure that we felt comfortable. I would recommend any one who is looking for a vehicle to contact Peter. Peter thank you very much for everything. Dale B
Just bought a new truck from Morgyn Bailey and just wanted to say that my buying experience was very positive as she kept in contact with me through emails, texts and phone calls in a timely manner as well as was very patient with me to assure that I drove away happy in my new vehicle. Together Morgyn and Chad have definitely went above and beyond and will be returning to them at Ken Nelson for future vehicles when needed.
I’ve always have had good service with Ken Nelson, And as always Peter Powers has taken care of me on multiple car deals!
Do not patronize this business. Especially the service department. You will be lied to and cheated. Buyer beware. Incompetance rules.
Brayden and the staff were very pleasant to work with. We would do business with them again!
Ken Nelson Auto group is one of the best dealers from whom I’ve purchased a car in over fifty years. Austin and Kyle were cooperative, helpful, and professional at each phase of the transaction on a 2023 Nissan Rogue SL. Kyle communicated with by email in a timely, precise, and concise manner. Austin delivered the car to our home in Freeport after having it attended to as part of the deal. He demonstrated everything he could about the car’s interior features to my wife in a patient way. A week after we took ownership, Austin placed a courtesy follow-up call that was much appreciated. Look no further than Ken Nelson in Dixon. You’ll be happy you did! 5 stars.
Great place to do business with! I would recommend this dealer to anyone looking for an honest auto dealership. . Everyone that I worked with were so very nice and down to earth. It was such a pleasant change from the other dealers. I will definitely return for another purchase when the time comes.
My parents and I had a great first experience at Ken Nelson. The staff really made an effort to know our budget, wants, and needs in a vehicle and really tried hard to have us leave with something we would love. Chris, Jamie, and Brett were all super helpful throughout the entire process.
We bought a car purchased the extended warranty for a Nissan rogue the sales guy made it clear for repairs with this warranty we need it to be serviced here....had a bad sensor had it towed there from in town part got replaced a few days later same problem happens as before but we're in rockford so going by what the sales man said we had it towed to dixon $300 bill because we were under the impression it HAD to be serviced at ken nelson....the service guy explained that was not true....great so he said it was the same part and Nissan would cover $130 and that was guaranteed and that the service manager would just have to sign off on it. A few MONTHS later we call no call back so we stop in just to have the manager tell us ohh sorry I was just about to call you...IM SURE either way sorry dont see that happening and basically found out everyone here Is just spinning us and will lie to your face about customer service first and last car I plan to buy from this place....don't bother!!!
Koby has been there for me for the last 3 vehicles that me and my wife have gotten. He is always willing to help with anything and has done great with us. He had all the paperwork done for me when I came back so fast and easy for me. Thank you koby
Terrible experience,Never will do business with again!Bad sales representation and terrible assistance after sale!
Great experience! Kade did a wonderful job. Listened to my needs and made it happen!
Ken Nelson's service depart is wonderful, always very accommodating, helpful and knowledgeable. Plus sales rep Cayden Erickson was amazing to work with, he was very kind and made the experience as positive as possible. HOWEVER had horrible experience with a gentleman by the name of Drew Rowley/ Buick GMC Sales Manager. He was rude, condescending, and demonstrated false advertisement, for example by starting the negotiation with a $3,000 higher price than what the sticker on the vehicle stated. Unfortunately, that's not a way to draw customers in and keep customers coming back, in my opinion.
James Morath and the team at Ken Nelson made my purchase a smooth transaction! James did a great job explaining everything and ensuring I had all of the needed information to safely operate my new vehicle!
This is the best car buying experience of my life. Ron made it an enjoyable experience and found exactly what I wanted at a great price! It was a lo of work to find the car and color I wanted but Ron Stephenitch kept at it until he found what I wanted , keeping in touch every step of the way. And other staff checked in with me with progress of the Corolla"s delivery. I highly recommend Ron. He also found the price that made me extremely happy. I will be a regular from now on. My name is Franklln Himes, PhD.
Worst place me and my husband could of went. They made us pay more then the car was worth. Second of all they gave us a car with tires and they could care a less. This place is in it for money not for there clients.
Austin Sheffield was very professional, polite and friendly helping me find the best vehicle for me.
Another great experience with Ron Stephenitch he always finds what we need, our son is enjoying his new vehicle and is comfortable as a new driver. As we have experienced before at Ken Nelson it doesn't end with the sale. Thanks again!
We had the pleasure of working with Matt. He was friendly, very helpful, and made for a very positive experience. I have recommended, and will continue to recomend this place to anyone looking for a new vehicle.
Excellent customer service,kudos to John Stinson for his knowledgeable and professionalism help with my purchase.He answered all my questions.Also Sherry with making the paperwork hassle free.
I was not able to purchase a new car from KNAG but I would very highly RECOMMEND the store and the treatment I received as a customer. I felt very bad, but the reason I did not buy was the price. I worked Clayton in finance and Blake in sales and they both were two outstanding professionals in the business.I will highly recommend working with Blake and Clayton.
Great experience. They do what they say. Ron Stephenitch made our deal painless....will go back for sure. The Jeep was clean and ready when we arrived. The owner took the time to stop and thank us for our business.
Excellent experience buying a used E 350. We drove 320 miles to purchase. Would recommend Graye to our friends and family. They answered all my questions promptly.
Excellent place to buy a car. One of the best experiences I have had in buying a car.Brandon Yeager did a great job for me and made our experience their very delightful. Was very helpful with everything and we got a great car at a great price. Very happy. Great job Brandon. We will strongly consider you for our next purchase.
Welcome to Ken Nelson Auto Group
Thank you for making your way to Ken Nelson Auto Group, your certified Buick, Chevrolet, GMC dealer serving drivers throughout Dixon and the surrounding areas. At our dealership, you’ll find a solid selection of new Buick, Chevrolet, GMC models for sale, as well as a carefully inspected lineup of pre-owned vehicles. We also have a well-connected finance center run by a qualified team of finance experts, who can help you get the right loan or lease in a quick, easy, and transparent manner.
Our commitment to our customers continues well beyond the date of purchase. We also have a professional team of Buick, Chevrolet, GMC technicians on hand with the skills and equipment to handle all manner of maintenance and repairs, as well as a full stock of authentic parts. Make your way to Ken Nelson Auto Group in Dixon today for quality vehicles, a friendly team, and professional service at every step of the way. And if you have any questions for us, you can always get in touch at 815-288-4455.