Chart based on 132 GMC Sierra HD and 418 Audi A8 / S8 repairs.
Chart based on 110 GMC Sierra HD and 335 Audi A8 / S8 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 HD or Audi A8 / S8 problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
GMC Sierra HD and Audi A8 / S8 Problems and Repair Histories