Serving Sioux City for 38 years! You have reached the online shop of Zenk Auto And Repair. We've been proudly serving Sioux City, IA, for 3 decades. We are a full-service auto repair company. We work on everything from electrical systems to transmission repairs. We want you to have peace of mind when dealing with us. Our mechanics are fully-licensed, certified, and trained in the latest in automotive techniques. We offer warranties on parts and repairs, so you can feel confident when dealing with us.