Chart based on 132 GMC Sierra HD and 591 GMC Envoy repairs.
Chart based on 110 GMC Sierra HD and 468 GMC Envoy 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 GMC Envoy 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 GMC Envoy Problems and Repair Histories