Chart based on 64 Pontiac GTO and 362 Porsche Cayman repairs.
Chart based on 57 Pontiac GTO and 274 Porsche Cayman 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 GTO or Porsche Cayman problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Pontiac GTO and Porsche Cayman Problems and Repair Histories