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2003 Mercury Grand Marquis MPG

Based on data from 25 vehicles, 1,860 fuel-ups and 476,201 miles of driving, the 2003 Mercury Grand Marquis gets a combined Avg MPG of 17.82 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 26 outliers (1.38%) removed.

Following shows the average MPG of each of the 25 vehicles in the system.

2003 Mercury Grand Marquiss For Sale Nearby

  • Grand Marquis

    2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Sep 2016 • 352 Fuel-ups

    Property of Blocbusta

  • 17.4 Avg MPG
  • Marquis - aCar

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Jun 2019 • 49 Fuel-ups

    Property of vojimen

  • 15.3 Avg MPG
  • Grand Marquis

    2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 66 Fuel-ups

    Property of jonoates

  • 18.0 Avg MPG
  • Jamie Merc

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Apr 2018 • 104 Fuel-ups

    Property of coderwolf

  • 20.2 Avg MPG
  • Old Man

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Dec 2019 • 26 Fuel-ups

    Property of yodman

  • 19.3 Avg MPG
  • Puss Magnet

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Oct 2018 • 44 Fuel-ups

    Property of Reesemfilms

  • 16.7 Avg MPG
  • Grand Marquis

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Feb 2017 • 121 Fuel-ups

    Property of DMAXUS

  • 20.2 Avg MPG
  • 2003 Mercury Grand Marquis

    2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 163 Fuel-ups

    Property of uncledrewski

  • 15.2 Avg MPG
  • DaBoat

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Mar 2018 • 3 Fuel-ups

    Property of cat-max

  • 20.4 Avg MPG
  • Jamie Merc

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Apr 2018 • 7 Fuel-ups

    Property of ladyamalphia

  • 24.6 Avg MPG
  • Marquis

    2003 Mercury Grand Marquis LSE 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Aug 2013 • 266 Fuel-ups

    Property of IH8regs

  • 18.7 Avg MPG
  • 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
  • Old Fart's Car

    2003 Mercury Grand Marquis GAS V8
    Added Jul 2012 • 37 Fuel-ups

    Property of 1fastbob

  • 22.1 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

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