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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

  • My Grand Marquis

    2009 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
    Added Aug 2022 • 16 Fuel-ups

    Property of LoneStarHedgehog

  • 16.7 Avg MPG
  • Silver Cloud

    2009 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed Sedan
    Added Jan 2020 • 151 Fuel-ups

    Property of MikeB60

  • 19.5 Avg MPG
  • Grand Marquis

    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

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