Click here to see important news regarding the aCar App

2004 Mercury Grand Marquis MPG

Based on data from 54 vehicles, 4,860 fuel-ups and 1,266,887 miles of driving, the 2004 Mercury Grand Marquis gets a combined Avg MPG of 18.52 with a 0.06 MPG margin of error.

Below you can see a distribution of the fuel-ups with 677 outliers (12.23%) removed.

Following shows the average MPG of each of the 54 vehicles in the system.

2004 Mercury Grand Marquiss For Sale Nearby

  • Gramps

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Mar 2018 • 259 Fuel-ups

    Property of ti_ming_le

  • 19.4 Avg MPG
  • Pimpmobile

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Oct 2019 • 26 Fuel-ups

    Property of JayK

  • 17.0 Avg MPG
  • Hefty

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Oct 2017 • 393 Fuel-ups

    Property of computergeek737

  • 18.1 Avg MPG
  • My Grand Marquis

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added May 2020 • 8 Fuel-ups

    Property of tjx2003

  • 13.2 Avg MPG
  • Sedan

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Nov 2020 • 4 Fuel-ups

    Property of Dick2

  • 17.3 Avg MPG
  • Grand Marquis

    2004 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Nov 2018 • 24 Fuel-ups

    Property of Allenkb

  • 25.7 Avg MPG
  • My Grand Marquis

    2004 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Nov 2017 • 39 Fuel-ups

    Property of hawkco

  • 18.0 Avg MPG
  • 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

Recent Activity

from other Mercury Grand Marquis vehicles (View All)

Tips

test your odometer accuracy

Compare your odometer to interstate mile markers. Your speed... ...

by edm3rd

Read more tips