2003 Mercury Grand Marquis MPG

Based on data from 33 vehicles, 2,180 fuel-ups and 557,967 miles of driving, the 2003 Mercury Grand Marquis gets a combined Avg MPG of 17.76 with a 0.16 MPG margin of error.

Below you can see a distribution of the fuel-ups with 68 outliers (3.02%) removed.

Following shows the average MPG of each of the 33 vehicles in the system.

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• Grandpas

  2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Apr 2015 • 27 Fuel-ups

  Property of Rambo032610

• 20.2 Avg MPG

• Mercury

  2003 Mercury Grand Marquis LSE 4.6L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 340 Fuel-ups

  Property of nolafaye

• 16.9 Avg MPG

• Grand Marquis

  2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 68 Fuel-ups

  Property of shifter

• 21.0 Avg MPG

• Murked

  2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Dec 2015 • 26 Fuel-ups

  Property of mcodeath

• 19.4 Avg MPG

• My Grand Marquis

  2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
  Added Dec 2015 • 12 Fuel-ups

  Property of defflepp1

• 15.3 Avg MPG

• The Tank

  2003 Mercury Grand Marquis GAS V8
  Added Jan 2014 • 39 Fuel-ups

  Property of eiskusma

• 14.7 Avg MPG

• Chris

  2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Oct 2014 • 24 Fuel-ups

  Property of drumman28

• 18.2 Avg MPG

• 2003 Grand Marquis LS

  2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Apr 2018 • 69 Fuel-ups

  Property of ddrwilli

• 21.5 Avg MPG

• BulgerMerc

  2003 Mercury Grand Marquis GAS V8
  Added Jul 2013 • 20 Fuel-ups

  Property of panthermerc47

• 21.2 Avg MPG

• MGMLSP 4G Panther

  2003 Mercury Grand Marquis GS 4.6L V8 GAS
  Added Mar 2011 • 197 Fuel-ups

  Property of JHEATHJR

• 19.7 Avg MPG

• MGMLSP 4G Panther

  2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
  Added May 2015 • 47 Fuel-ups

  Property of JHEATHJR2

• 21.7 Avg MPG

• B's Car

  2003 Mercury Grand Marquis GAS V8
  Added Aug 2008 • 3 Fuel-ups

  Property of povia

• 18.2 Avg MPG

• gray ghost

  2003 Mercury Grand Marquis GAS V8
  Added May 2011 • 16 Fuel-ups

  Property of chickenfoot

• 21.3 Avg MPG

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