Chart based on 2773 Toyota Sienna and 204 Mercury Grand Marquis repairs.
Chart based on 1729 Toyota Sienna and 184 Mercury Grand Marquis repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
Don't infer Toyota Sienna or Mercury Grand Marquis problem frequency from what you see on this page. Many lucky owners have had no repairs, and their cars are not shown.
Toyota Sienna and Mercury Grand Marquis 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 Toyota Sienna or Mercury Grand Marquis problems occur, check out our car reliability stats.