2009 Mercury Grand Marquis MPG
Based on data from 2 vehicles, 4 fuel-ups and 761 miles of driving, the 2009 Mercury Grand Marquis gets a combined Avg MPG of 14.81 with a 2.07 MPG margin of error.
Below you can see a distribution of the fuel-ups with 0 outliers (0.00%) removed.
Following shows the average MPG of each of the 2 vehicles in the system.
2009 Mercury Grand Marquiss For Sale Nearby
2009 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
Added Apr 2019 • 3 Fuel-ups
Property of leftyclick
44.5 Avg MPG
2009 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
Added Aug 2018 • 9 Fuel-ups
Property of gm3800
17.9 Avg MPG