About Us

SG Auction Company has a great crew of people to make our auctions run as smoothly as possible. Thanks to our crew, family and friends for all you do!

Dave and JC look forward to seeing you at our next auction!

From humble beginnings in rural Spring Grove, Minnesota, SG Auctions was formed in 2011. It all started when J.C. Nerstad and Dave Hanner got together and came up with the idea. By utilizing their extensive experience in the classic car auction business they have built a highly reputable, customer-focused and internationally-recognized auction house with the dedicated support of family, friends, and an amazing crew!

Talk to JC or Dave and you will find out very quickly, these guys are totally customer service oriented. As driven as they are putting car deals together, they are twice as driven when it comes to building relationships in the industry.  The company’s dedication to superior customer service and uncompromising integrity has resulted in a vast network of dedicated classic car buyers and sellers. Dave and JC excel at honoring the company’s humble small town roots while constantly moving forward, improving processes, and incorporating the technology to enhance everyone’s auction experience.

These philosophies coupled with the recent addition of full-time staff possessing decades of event promotion and classic car auction experience finds SG Auctions poised to deliver a world-class auction experience with a small town feel and value.

After a $2.5 million dollar sale in October of 2018 this is what Keith Martin’s Sports Car Marketplace, a top internationally circulated publication had to say about say about the event: “SG Auctions is poised for continued success as an auction house worthy of attention in the Upper Midwest” We look forward to continued success and seeing you at our next live Auction event!

CONTACT US: 507-498-9000


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Vehicle information on SGA website is pre-auction information only. While the consignor-provided photos, videos, descriptions and other information are deemed reliable, SGA does not warrant or guarantee consignor-provided information. The lot and vehicle information presented on auction day and/or on the auction block supersedes any prior vehicle descriptions or information. Buyers should base their purchase decision on personal inspection of the lot at the auction site prior to the auction. SGA is not responsible for information that may be revised prior to the auction.