2009 Mercury Grand Marquis MPG
Based on data from 3 vehicles, 157 fuel-ups and 34,676 miles of driving, the 2009 Mercury Grand Marquis gets a combined Avg MPG of 18.91 with a 0.42 MPG margin of error.
Below you can see a distribution of the fuel-ups with 7 outliers (4.27%) removed.
Following shows the average MPG of each of the 3 vehicles in the system.
2009 Mercury Grand Marquiss For Sale Nearby
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My Grand Marquis
2009 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
Added Aug 2022 • 16 Fuel-upsProperty of LoneStarHedgehog
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16.7 Avg MPG
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Silver Cloud
2009 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed Sedan
Added Jan 2020 • 151 Fuel-upsProperty of MikeB60
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19.5 Avg MPG
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Grand Marquis
2009 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
Added Apr 2019 • 3 Fuel-upsProperty of leftyclick
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44.5 Avg MPG