Chart based on 587 Kia Optima and 1577 Porsche Boxster repairs.
Chart based on 322 Kia Optima and 1151 Porsche Boxster repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Don't infer Kia Optima or Porsche Boxster problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Kia Optima and Porsche Boxster Problems and Repair Histories