Chart based on 310 Pontiac Grand Prix and 43 Infiniti QX repairs.
Chart based on 262 Pontiac Grand Prix and 37 Infiniti QX 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 Grand Prix or Infiniti QX problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Pontiac Grand Prix and Infiniti QX Problems and Repair Histories