Chart based on 277 Hummer H3 and 437 Toyota Avalon repairs.
Chart based on 200 Hummer H3 and 357 Toyota Avalon repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Don't infer Hummer H3 or Toyota Avalon problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Hummer H3 and Toyota Avalon Problems and Repair Histories