Based on data from 18 vehicles, 1,160 fuel-ups and 281,489 miles of driving, the 2005 Mercury Mariner gets a combined Avg MPG of 19.22 with a 0.17 MPG margin of error.

Any Engine Type 2.3L L4 GAS (2) 3.0L V6 GAS (11) V6 GAS (4) Any Body Style Sport Utility (1) Any Submodel Base (2) Premier (12) Other (4)

Below you can see a distribution of the fuel-ups with 97 outliers (7.72%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• Gold Merc

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2018 • 187 Fuel-ups

  Property of Sasquatch6ft9

• 20.6 Avg MPG

• My Mariner

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Jul 2020 • 59 Fuel-ups

  Property of jtrakel

• 17.6 Avg MPG

• zMariner

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Oct 2017 • 161 Fuel-ups

  Property of bleist

• 20.8 Avg MPG

• Merc Old 2

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2018 • 80 Fuel-ups

  Property of Sasquatch6ft9

• 20.6 Avg MPG

• Merc Old 3

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2018 • 80 Fuel-ups

  Property of Sasquatch6ft9

• 20.6 Avg MPG

• Merc Old 1

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2018 • 77 Fuel-ups

  Property of Sasquatch6ft9

• 20.7 Avg MPG

• Mariner

  2005 Mercury Mariner 2.3L L4 GAS Automatic 4 Speed
  Added Mar 2017 • 127 Fuel-ups

  Property of dwnbylaw

• 21.3 Avg MPG

• Mariner 05

  2005 Mercury Mariner 2.3L L4 GAS Automatic 4 Speed
  Added Aug 2018 • 31 Fuel-ups

  Property of casseyrae

• 17.1 Avg MPG

• My Mariner

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Nov 2016 • 26 Fuel-ups

  Property of caseypc74

• 21.7 Avg MPG

• Jaws

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed Sport Utility
  Added Sep 2012 • 130 Fuel-ups

  Property of DiscWog

• 21.4 Avg MPG

• ZZ-Bucky Wagon

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 181 Fuel-ups

  Property of SBing

• 18.8 Avg MPG

• My Mariner

  2005 Mercury Mariner Premier 2.3L GAS L4 Automatic 4 Sport Utility (4 Door)
  Added Nov 2014 • 3 Fuel-ups

  Property of matt_mcm

• 20.5 Avg MPG

• My Merc

  2005 Mercury Mariner GAS V6
  Added May 2014 • 4 Fuel-ups

  Property of senoj5

• 28.4 Avg MPG

• Mariner

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 50 Fuel-ups

  Property of doughdid

• 20.8 Avg MPG

• Shiny Stunna'

  2005 Mercury Mariner GAS V6
  Added Sep 2010 • 116 Fuel-ups

  Property of rswails

• 20.7 Avg MPG

• Mariner

  2005 Mercury Mariner GAS V6
  Added Jul 2013 • 14 Fuel-ups

  Property of kpharm137

• 18.8 Avg MPG

• Mariner

  2005 Mercury Mariner GAS V6
  Added Dec 2011 • 4 Fuel-ups

  Property of Dan50

• 22.1 Avg MPG

• Mariner

  2005 Mercury Mariner Premier 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 41 Fuel-ups

  Property of Captain74

• 19.1 Avg MPG