Based on data from 154 vehicles, 14,410 fuel-ups and 3,676,002 miles of driving, the 2009 Pontiac G8 gets a combined Avg MPG of 17.76 with a 0.07 MPG margin of error.

Any Engine Type 3.6L V6 GAS (11) 6.0L V8 GAS (79) 6.2L V8 GAS (18) V6 GAS (2) V8 GAS (39) Any Body Style Sedan (52) Any Submodel Base (11) GXP (18) GT (80) Other (45)

Below you can see a distribution of the fuel-ups with 494 outliers (3.31%) removed.

Following shows the average MPG of each of the 154 vehicles in the system.

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• INSTG8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Sep 2018 • 167 Fuel-ups

  Property of OMGnanerpus

• 14.2 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Jun 2021 • 687 Fuel-ups

  Property of kamilw

• 20.2 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2019 • 119 Fuel-ups

  Property of blackronin

• 17.1 Avg MPG

• My G8

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed
  Added Sep 2024 • 12 Fuel-ups

  Property of Zyler9009

• 8.9 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2022 • 78 Fuel-ups

  Property of Jacksonpage

• 14.5 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2016 • 416 Fuel-ups

  Property of Sbaneck

• 19.9 Avg MPG

• G8

  2009 Pontiac G8 3.6L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 559 Fuel-ups

  Property of glvandenberg

• 22.8 Avg MPG

• Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added May 2018 • 299 Fuel-ups

  Property of agra27

• 12.6 Avg MPG

• G8 GXP

  2009 Pontiac G8 GXP 6.2L V8 GAS Manual 6 Speed
  Added May 2017 • 92 Fuel-ups

  Property of KOESTERS17

• 15.1 Avg MPG

• Mi M8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2023 • 74 Fuel-ups

  Property of Logan-_-

• 17.7 Avg MPG

• GREY8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Feb 2013 • 433 Fuel-ups

  Property of Plumman

• 17.7 Avg MPG

• Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2018 • 313 Fuel-ups

  Property of golfjunky12

• 13.6 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Sep 2017 • 60 Fuel-ups

  Property of Fransysco

• 16.0 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Dec 2018 • 81 Fuel-ups

  Property of tah1169

• 19.0 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2018 • 394 Fuel-ups

  Property of nateshawk

• 18.4 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2018 • 72 Fuel-ups

  Property of johnboy7721

• 17.8 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2019 • 231 Fuel-ups

  Property of sulemankhan_

• 14.1 Avg MPG

• Pontiac G8

  2009 Pontiac G8 3.6L V6 GAS Automatic 5 Speed Sedan
  Added Sep 2012 • 218 Fuel-ups

  Property of tinagreen5

• 27.0 Avg MPG

• G8

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed Sedan
  Added Nov 2023 • 5 Fuel-ups

  Property of jasonlz

• 15.9 Avg MPG

• G8 GXP

  2009 Pontiac G8 GXP 6.2L V8 GAS Manual 6 Speed
  Added Apr 2017 • 203 Fuel-ups

  Property of auslndr

• 22.0 Avg MPG

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