1997 Mercury Grand Marquis MPG
Based on data from 18 vehicles, 1,566 fuel-ups and 385,527 miles of driving, the 1997 Mercury Grand Marquis gets a combined Avg MPG of 18.21 with a 0.22 MPG margin of error.
Below you can see a distribution of the fuel-ups with 10 outliers (0.63%) removed.
Following shows the average MPG of each of the 18 vehicles in the system.
