Chart based on 404 Lexus IS and 587 Kia Optima repairs.
Chart based on 323 Lexus IS 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 Lexus IS 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.
Lexus IS and Kia Optima Problems and Repair Histories