Chart based on 893 Mazda Protege and 587 Kia Optima repairs.
Chart based on 733 Mazda Protege and 322 Kia Optima repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Don't infer Mazda Protege or Kia Optima problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Mazda Protege and Kia Optima Problems and Repair Histories