Chart based on 587 Kia Optima and 298 Nissan Frontier repairs.
Chart based on 322 Kia Optima and 257 Nissan Frontier 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 Nissan Frontier 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 Nissan Frontier Problems and Repair Histories