Chart based on 591 GMC Envoy and 619 Porsche 911 repairs.
Chart based on 468 GMC Envoy and 501 Porsche 911 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 Envoy or Porsche 911 problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
GMC Envoy and Porsche 911 Problems and Repair Histories