Based on data from 22 vehicles, 2,269 fuel-ups and 622,339 miles of driving, the 2006 Mercury Grand Marquis gets a combined Avg MPG of 20.18 with a 0.14 MPG margin of error.

Any Engine Type 4.6L V8 FLEX (5) 4.6L V8 GAS (12) V8 FLEX (1) V8 GAS (3) Any Body Style Sedan (10) Any Submodel GS (5) LS (13) Other (4)

Below you can see a distribution of the fuel-ups with 34 outliers (1.48%) removed.

Following shows the average MPG of each of the 22 vehicles in the system.

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• MGM

  2006 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
  Added Sep 2024 • 9 Fuel-ups

  Property of mhetisim

• 22.4 Avg MPG

• Dottie

  2006 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
  Added Nov 2024 • 3 Fuel-ups

  Property of frehdbyrd

• 23.1 Avg MPG

• 2006MGM (03/06)

  2006 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
  Added Mar 2017 • 401 Fuel-ups

  Property of RtMack

• 22.1 Avg MPG

• Grand Marquis

  2006 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed Sedan
  Added Aug 2009 • 297 Fuel-ups

  Property of N5THV

• 20.2 Avg MPG

• Uncle Bobby B

  2006 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
  Added Jan 2024 • 41 Fuel-ups

  Property of SecondhandFlapjack

• 19.8 Avg MPG

• My Grand Marquis

  2006 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed
  Added May 2023 • 10 Fuel-ups

  Property of MyDailyDrivers

• 19.6 Avg MPG

• Junebug

  2006 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Dec 2019 • 118 Fuel-ups

  Property of stoner72

• 20.8 Avg MPG

• My Grand Marquis

  2006 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
  Added Nov 2022 • 51 Fuel-ups

  Property of dan1021

• 20.1 Avg MPG

• 2006 Mercury Grand Marquis

  2006 Mercury Grand Marquis LS Automatic 4 Speed Sedan
  Added Sep 2020 • 6 Fuel-ups

  Property of kellswo

• 110.6 Avg MPG

• Marquis

  2006 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added May 2021 • 16 Fuel-ups

  Property of jcreamer553

• 17.1 Avg MPG

• Biz Marquis

  2006 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed Sedan
  Added Dec 2018 • 90 Fuel-ups

  Property of RedDawg

• 23.5 Avg MPG

• Misty

  2006 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Sep 2019 • 224 Fuel-ups

  Property of Refresh100

• 18.7 Avg MPG

• Coconut

  2006 Mercury Grand Marquis GS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Oct 2018 • 112 Fuel-ups

  Property of maximumbeard

• 19.4 Avg MPG

• Elmer

  2006 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added Feb 2017 • 132 Fuel-ups

  Property of pmdwashere

• 21.6 Avg MPG

• golf cart

  2006 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added May 2014 • 62 Fuel-ups

  Property of bobcay

• 19.2 Avg MPG

• Doris

  2006 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed Sedan
  Added May 2014 • 279 Fuel-ups

  Property of TCvince

• 19.9 Avg MPG

• Grand Marquis

  2006 Mercury Grand Marquis LS 4.6L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 196 Fuel-ups

  Property of stonerman33

• 19.1 Avg MPG

• Mercury

  2006 Mercury Grand Marquis GAS V8
  Added Aug 2011 • 306 Fuel-ups

  Property of nn

• 22.7 Avg MPG

• My Grand Marquis

  2006 Mercury Grand Marquis LS 4.6L V8 FLEX Automatic 4 Speed
  Added Oct 2016 • 9 Fuel-ups

  Property of tuck1395

• 20.8 Avg MPG

• Boat

  2006 Mercury Grand Marquis GAS V8
  Added Nov 2013 • 6 Fuel-ups

  Property of BrentB24

• 17.6 Avg MPG

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