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.

• 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