Chart based on 727 GMC Sierra 1500 and 587 Kia Optima repairs.
Chart based on 481 GMC Sierra 1500 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 GMC Sierra 1500 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.
GMC Sierra 1500 and Kia Optima Problems and Repair Histories