Chart based on 132 GMC Sierra HD and 532 GMC Terrain repairs.
Chart based on 110 GMC Sierra HD and 249 GMC Terrain 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 Terrain 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 Terrain Problems and Repair Histories