Based on data from 30 vehicles, 1,914 fuel-ups and 532,460 miles of driving, the 2005 Pontiac G6 gets a combined Avg MPG of 23.10 with a 0.18 MPG margin of error.

Any Engine Type 3.5L V6 GAS (21) V6 GAS (9) Any Body Style Sedan (8) Any Submodel SE (1) Base (7) GT (13) Other (9)

Below you can see a distribution of the fuel-ups with 144 outliers (7.00%) removed.

Following shows the average MPG of each of the 30 vehicles in the system.

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• My G6

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed
  Added Feb 2021 • 34 Fuel-ups

  Property of lenny54

• 15.0 Avg MPG

• Bllyzzard

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2017 • 264 Fuel-ups

  Property of rono808

• 23.9 Avg MPG

• Pontiac G6

  2005 Pontiac G6 3.5L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 523 Fuel-ups

  Property of HGH131

• 22.9 Avg MPG

• My G6

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed
  Added Mar 2018 • 222 Fuel-ups

  Property of yoeyoe79

• 23.4 Avg MPG

• Laura G6

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed
  Added Mar 2018 • 23 Fuel-ups

  Property of jmssls

• 20.1 Avg MPG

• Batmobile

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2021 • 36 Fuel-ups

  Property of munchkin21

• 31.8 Avg MPG

• G6

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2015 • 47 Fuel-ups

  Property of Pjay

• 23.7 Avg MPG

• Pontiac

  2005 Pontiac G6 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Apr 2016 • 116 Fuel-ups

  Property of Almeida

• 24.2 Avg MPG

• Z G6

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed
  Added Apr 2019 • 4 Fuel-ups

  Property of JarrodLudwig

• 29.5 Avg MPG

• My G6

  2005 Pontiac G6 SE 3.5L V6 GAS Automatic 4 Speed
  Added Apr 2019 • 39 Fuel-ups

  Property of jahsdm1914

• 20.7 Avg MPG

• G6 GT

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2013 • 177 Fuel-ups

  Property of JimboBaggins

• 26.4 Avg MPG

• Red

  2005 Pontiac G6 3.5L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 465 Fuel-ups

  Property of andyhigh1

• 23.6 Avg MPG

• My G6

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed
  Added Dec 2017 • 13 Fuel-ups

  Property of bayytayy

• 24.3 Avg MPG

• Gene

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 26 Fuel-ups

  Property of awatson39

• 27.0 Avg MPG

• Silver Samurai

  2005 Pontiac G6 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Dec 2017 • 20 Fuel-ups

  Property of Xakimus

• 27.5 Avg MPG

• Pontiac G6 GT

  2005 Pontiac G6 GT 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Aug 2014 • 39 Fuel-ups

  Property of robertsolson

• 26.0 Avg MPG

• Pontiac G6

  2005 Pontiac G6 3.5L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2014 • 29 Fuel-ups

  Property of nwarner2010

• 21.5 Avg MPG

• CheckUrG6

  2005 Pontiac G6 GT 3.5L GAS V6 Automatic 4 Sedan (4 Door)
  Added Feb 2015 • 13 Fuel-ups

  Property of Seratt

• 26.8 Avg MPG

• Pontiac G6

  2005 Pontiac G6 3.5L V6 GAS Automatic 4 Sedan (4 Door)
  Added Jun 2015 • 10 Fuel-ups

  Property of MBSink

• 28.6 Avg MPG

• G6

  2005 Pontiac G6 3.5L GAS V6 Automatic 4 Sedan (4 Door)
  Added Aug 2014 • 3 Fuel-ups

  Property of LemonZeus

• 26.5 Avg MPG

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