Click here to see important news regarding the aCar App

Mercury Grand Marquis MPG

319 Mercury Grand Marquis have provided 6.0 million miles of real world fuel economy & MPG data.
Click here to view all the Mercury Grand Marquis currently participating in our fuel tracking program.

Mercury Grand Marquiss For Sale Nearby

Recent Activity

from other Mercury Grand Marquis vehicles (View All)

Tips

Are you using your dash fuel mileage meter?

Most modern vehicles have a built in fuel mileage meter. The... ...

by Paisano

Read more tips