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2008 Mercury Grand Marquis MPG

Based on data from 14 vehicles, 1,398 fuel-ups and 349,500 miles of driving, the 2008 Mercury Grand Marquis gets a combined Avg MPG of 17.86 with a 0.26 MPG margin of error.

Below you can see a distribution of the fuel-ups with 18 outliers (1.27%) removed.

Following shows the average MPG of each of the 14 vehicles in the system.

2008 Mercury Grand Marquiss For Sale Nearby

  • Mercury Grand Marquis

    2008 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed Sedan
    Added Aug 2023 • 35 Fuel-ups

    Property of zzjdzz

  • 18.5 Avg MPG
  • The Grand Marqueef

    2008 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed Sedan
    Added Dec 2018 • 156 Fuel-ups

    Property of bigbruno

  • 13.5 Avg MPG
  • Mercury Grand Marquis (Current)

    2008 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
    Added Aug 2023 • 108 Fuel-ups

    Property of Slidellian

  • 19.4 Avg MPG
  • My Grand Marquis

    2008 Mercury Grand Marquis GS 4.6L V8 FLEX Automatic 4 Speed
    Added Oct 2024 • 4 Fuel-ups

    Property of cmaydew

  • 21.9 Avg MPG
  • My Grand Marquis

    2008 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
    Added Feb 2022 • 123 Fuel-ups

    Property of Slidellian

  • 19.2 Avg MPG
  • Mercury JGY-70

    2008 Mercury Grand Marquis GS 4,6L V8 FLEX Automatic 4 Speed Sedan
    Added May 2018 • 149 Fuel-ups

    Property of laakto

  • 15.8 Avg MPG
  • Mercury JGY-70

    2008 Mercury Grand Marquis GS 4,6L V8 FLEX Automatic 4 Speed Sedan
    Added Aug 2023 • 149 Fuel-ups

    Property of laakto

  • 15.8 Avg MPG
  • My Grand Marquis

    2008 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
    Added Sep 2022 • 26 Fuel-ups

    Property of Fuelerdude

  • 23.7 Avg MPG
  • Gran Marquis

    2008 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed Sedan
    Added May 2020 • 55 Fuel-ups

    Property of cecilkindle

  • 17.5 Avg MPG
  • 2008 Mercury Grand Marquis

    2008 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
    Added Feb 2015 • 681 Fuel-ups

    Property of Slidellian

  • 19.6 Avg MPG
  • Grand Marquis

    2008 Mercury Grand Marquis GS 4.6L V8 FLEX Automatic 4 Speed
    Added Feb 2018 • 3 Fuel-ups

    Property of brian0

  • 20.2 Avg MPG
  • Mercruiser

    2008 Mercury Grand Marquis GAS V8
    Added May 2013 • 10 Fuel-ups

    Property of titanrules

  • 14.1 Avg MPG
  • Gran

    2008 Mercury Grand Marquis FLEX V8
    Added Jun 2013 • 6 Fuel-ups

    Property of RogerM

  • 22.4 Avg MPG
  • Mercury Grand Marquis

    2008 Mercury Grand Marquis GAS V8
    Added Apr 2012 • 4 Fuel-ups

    Property of remailednet

  • 17.0 Avg MPG

Recent Activity

from other Mercury Grand Marquis vehicles (View All)

Tips

Find the sweet spot of needed throttle pressure.

When traveling around highway speeds note your throttle inpu... ...

by Lokis_Tyro

Read more tips