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

Chart based on 132 GMC Sierra HD and 228 Mercury Mariner repairs.

GMC Sierra HD and Mercury Mariner repair cost distribution

Chart based on 110 GMC Sierra HD and 190 Mercury Mariner 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 Mercury Mariner.
Don't infer GMC Sierra HD or Mercury Mariner 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 Mercury Mariner 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 Mercury Mariner problems occur, check out our car reliability stats.