Click here to see important news regarding the aCar App

Mercury Grand Marquis MPG

525 Mercury Grand Marquis have provided 6.5 million miles of real world fuel economy & MPG data.
Click here to view only the Mercury Grand Marquis with MPG currently participating in our fuel tracking program.

Mercury Grand Marquiss For Sale Nearby

Recent Activity

from other Mercury Grand Marquis vehicles (View All)

Tips

Drive-thru idling

While stopped in the drive thru (whether there is a line or ... ...

by Hawkraptor

Read more tips