Membership Ankeny Area Business Directory Directions to Karl Auto Group - Karl Buick GMC of Marshalltown Directions to Karl Auto Group - Karl Buick GMC of Marshalltown Search | Advanced Search | New Members | Coupons and Discounts | All Categories Automotive, Aviation & Marine >> Automotive >> Dealers Karl Auto Group - Karl Buick GMC of Marshalltown 1000 N. 3rd Ave.Marshalltown, IA 50158 | map (641) 351-7829 Visit Site Get directions to: Karl Auto Group - Karl Buick GMC of Marshalltown, 1000 N. 3rd Ave., Marshalltown IA Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed! Subscribe to our Newsletter Name* First Last Email* Security Policy Marketing Opportunities Member Login