Buy from us with confidence...Kemna Auto Group has been a full line GM dealer for over 55 years. Kemna Auto of Fort Dodge is well on the way to being the biggest dealer in the four county area! We are located in Webster County. Buick | Chevrolet | Cadillac | GMC | Pontiac New and used cars and trucks, we have a fifteen million dollar inventory with our three dealerships. Other locations are Kemna-Asa in Jackson, Minnesota, Jackson County ; and Kemna GM Center in Algona, Iowa, Kossuth County.