Chart based on 460 Pontiac G8 and 587 Kia Optima repairs.
Chart based on 244 Pontiac G8 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 Pontiac G8 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.
Pontiac G8 and Kia Optima Problems and Repair Histories