Click here to see important news regarding the aCar App

1998 Mercury Grand Marquis MPG

Based on data from 20 vehicles, 1,075 fuel-ups and 258,369 miles of driving, the 1998 Mercury Grand Marquis gets a combined Avg MPG of 16.42 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 128 outliers (10.64%) removed.

Following shows the average MPG of each of the 20 vehicles in the system.

1998 Mercury Grand Marquiss For Sale Nearby

  • My Grand Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2024 • 7 Fuel-ups

    Property of paperclip

  • 21.0 Avg MPG
  • My Grand Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Mar 2020 • 135 Fuel-ups

    Property of Sctt

  • 19.9 Avg MPG
  • My Grand Marquis

    1998 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Sep 2022 • 9 Fuel-ups

    Property of mattkatrina

  • 19.8 Avg MPG
  • Aquatic Life

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Oct 2017 • 141 Fuel-ups

    Property of DJamesShaw

  • 20.5 Avg MPG
  • Silver Fox

    1998 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Dec 2021 • 3 Fuel-ups

    Property of Meyj81

  • 24.9 Avg MPG
  • My Grand Marquis

    1998 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Sep 2021 • 3 Fuel-ups

    Property of 98marquis

  • 18.5 Avg MPG
  • Mercury

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Jun 2017 • 42 Fuel-ups

    Property of mattjohnson52

  • 16.6 Avg MPG
  • BigWhiteBoat

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Jul 2018 • 56 Fuel-ups

    Property of DesertBike

  • 16.4 Avg MPG
  • My 1998 Grand Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Oct 2018 • 19 Fuel-ups

    Property of drel26

  • 17.2 Avg MPG
  • Silver Merc

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Mar 2013 • 99 Fuel-ups

    Property of BanditAbarth

  • 17.2 Avg MPG
  • My Grand Marquis

    1998 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Jun 2017 • 3 Fuel-ups

    Property of CMarrero

  • 8.9 Avg MPG
  • Grand Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Nov 2015 • 10 Fuel-ups

    Property of Glease

  • 17.5 Avg MPG
  • 1998 Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Apr 2018 • 73 Fuel-ups

    Property of Cyber-Wizard

  • 18.9 Avg MPG
  • 1998 Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
    Added Mar 2021 • 73 Fuel-ups

    Property of Cyber-Wizard

  • 18.9 Avg MPG
  • Grand Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Oct 2016 • 314 Fuel-ups

    Property of larryo340

  • 15.0 Avg MPG
  • Mercury

    1998 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 36 Fuel-ups

    Property of merv3907

  • 13.0 Avg MPG
  • Merc

    1998 Mercury Grand Marquis GAS V8
    Added Jan 2013 • 3 Fuel-ups

    Property of 300hp

  • 20.8 Avg MPG
  • Mercury Grand Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Oct 2016 • 215 Fuel-ups

    Property of gham

  • 19.3 Avg MPG
  • Merc

    1998 Mercury Grand Marquis GAS V8
    Added May 2012 • 10 Fuel-ups

    Property of SirRiec

  • 19.5 Avg MPG
  • Grand Marquis

    1998 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 35 Fuel-ups

    Property of diagnostuck

  • 20.8 Avg MPG

Recent Activity

from other Mercury Grand Marquis vehicles (View All)

Tips

Keep Tire Pressure High

Low tire pressure means more rolling resistance, which means... ...

by justinperkins

Read more tips