GMC Sierra HD GMC Sierra HD Pontiac Montana SV6 Pontiac Montana SV6
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Percentage of GMC Sierra HD and Pontiac Montana SV6 repairs by problem area

Chart based on 132 GMC Sierra HD and 207 Pontiac Montana SV6 repairs.

GMC Sierra HD and Pontiac Montana SV6 repair cost distribution

Chart based on 110 GMC Sierra HD and 186 Pontiac Montana SV6 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
See repair histories for the GMC Sierra HD.
See repair histories for the Pontiac Montana SV6.
Don't infer GMC Sierra HD or Pontiac Montana SV6 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 Pontiac Montana SV6 Problems and Repair Histories

See our lemon odds and nada odds comparisons to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently GMC Sierra HD or Pontiac Montana SV6 problems occur, check out our car reliability stats.