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Percentage of Mercury Montego and GMC Sierra HD repairs by problem area

Chart based on 52 Mercury Montego and 132 GMC Sierra HD repairs.

Mercury Montego and GMC Sierra HD repair cost distribution

Chart based on 48 Mercury Montego 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.
See repair histories for the Mercury Montego.
See repair histories for the GMC Sierra HD.
Don't infer Mercury Montego 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.

Mercury Montego and GMC Sierra HD 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 Mercury Montego or GMC Sierra HD problems occur, check out our car reliability stats.