Click here to see important news regarding the aCar App

2004 Mercury Grand Marquis MPG

Based on data from 47 vehicles, 4,480 fuel-ups and 1,148,320 miles of driving, the 2004 Mercury Grand Marquis gets a combined Avg MPG of 18.45 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 205 outliers (4.38%) removed.

Following shows the average MPG of each of the 47 vehicles in the system.

2004 Mercury Grand Marquiss For Sale Nearby

  • My Grand Marquis

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2017 • 66 Fuel-ups

    Property of gocsefla

  • 18.8 Avg MPG
  • Veola

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Mar 2019 • 17 Fuel-ups

    Property of JWS1

  • 20.3 Avg MPG
  • Dad's Car

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Apr 2019 • 17 Fuel-ups

    Property of gripnick

  • 22.3 Avg MPG
  • My Grand Marquis

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Feb 2019 • 17 Fuel-ups

    Property of jeff62

  • 21.2 Avg MPG
  • 2004 Mercury GM

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Apr 2018 • 35 Fuel-ups

    Property of neeleyb

  • 20.2 Avg MPG
  • My Grand Marquis

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2018 • 3 Fuel-ups

    Property of Griswold35

  • 14.7 Avg MPG
  • Harold

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Mar 2018 • 20 Fuel-ups

    Property of gracepm

  • 12.9 Avg MPG
  • Grand Marquis

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 295 Fuel-ups

    Property of LarryB74

  • 19.5 Avg MPG
  • My Grand Marquis

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2017 • 16 Fuel-ups

    Property of dan-kooy

  • 16.7 Avg MPG
  • My Grand Marquis

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Nov 2015 • 202 Fuel-ups

    Property of Macedog79

  • 19.8 Avg MPG
  • The Boat

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Aug 2017 • 287 Fuel-ups

    Property of computergeek737

  • 18.7 Avg MPG
  • The Boat

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Oct 2017 • 287 Fuel-ups

    Property of computergeek737

  • 18.7 Avg MPG
  • The Boat

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Oct 2017 • 287 Fuel-ups

    Property of computergeek737

  • 18.7 Avg MPG
  • Ultimate

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Mar 2011 • 341 Fuel-ups

    Property of matlobi

  • 18.4 Avg MPG
  • Car

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Dec 2013 • 87 Fuel-ups

    Property of boywelder2000

  • 21.0 Avg MPG
  • Boaty McBoatyson

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Jun 2016 • 22 Fuel-ups

    Property of ashberic

  • 15.4 Avg MPG
  • merc

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Feb 2014 • 66 Fuel-ups

    Property of bdb280

  • 18.3 Avg MPG
  • hypermarquis

    2004 Mercury Grand Marquis GAS
    Added Jan 2014 • 18 Fuel-ups

    Property of hypermarquis

  • 23.8 Avg MPG
  • Mercury

    2004 Mercury Grand Marquis Signature
    Added Mar 2017 • 70 Fuel-ups

    Property of motovation

  • 18.1 Avg MPG
  • Gran Marquis

    2004 Mercury Grand Marquis GAS V8
    Added May 2012 • 163 Fuel-ups

    Property of batemra

  • 18.4 Avg MPG

Recent Activity

from other Mercury Grand Marquis vehicles (View All)

Tips

Hot tire pressure vs. cold tire pressure

Be aware that recommended tire air pressures are for a cold ... ...

by battruck

Read more tips