2003 Mercury Grand Marquis MPG

Based on data from 19 vehicles, 1,368 fuel-ups and 354,521 miles of driving, the 2003 Mercury Grand Marquis gets a combined Avg MPG of 17.94 with a 0.20 MPG margin of error.

Below you can see a distribution of the fuel-ups with 14 outliers (1.01%) removed.

Following shows the average MPG of each of the 19 vehicles in the system.

2003 Mercury Grand Marquiss For Sale Nearby

  • Grand Marquis

    2003 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Feb 2017 • 28 Fuel-ups

    Property of DMAXUS

  • 20.9 Avg MPG
  • 2003 Mercury Grand Marquis

    2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 125 Fuel-ups

    Property of uncledrewski

  • 15.4 Avg MPG
  • Grand Marquis

    2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 254 Fuel-ups

    Property of Blocbusta

  • 17.8 Avg MPG
  • Marquis

    2003 Mercury Grand Marquis LSE 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Aug 2013 • 225 Fuel-ups

    Property of IH8regs

  • 18.6 Avg MPG
  • Grand Marquis

    2003 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 12 Fuel-ups

    Property of jonoates

  • 14.4 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
  • Grandpas

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

    Property of Rambo032610

  • 20.5 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
  • Grand Marquis

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

    Property of Bville-Bud

  • 20.9 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
  • 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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