Chart based on 795 Chevrolet HHR and 132 GMC Sierra HD repairs.
Chart based on 466 Chevrolet HHR and 110 GMC Sierra HD repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Don't infer Chevrolet HHR or GMC Sierra HD problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Chevrolet HHR and GMC Sierra HD Problems and Repair Histories