Based on data from 154 vehicles, 14,439 fuel-ups and 3,682,271 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 496 outliers (3.32%) removed.

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

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• G8 GXP

  2009 Pontiac G8 GXP 6.2L V8 GAS Manual 6 Speed
  Added Apr 2017 • 205 Fuel-ups

  Property of auslndr

• 22.0 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2019 • 120 Fuel-ups

  Property of blackronin

• 17.1 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Jun 2021 • 690 Fuel-ups

  Property of kamilw

• 20.2 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2018 • 395 Fuel-ups

  Property of nateshawk

• 18.4 Avg MPG

• G8

  2009 Pontiac G8 3.6L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 564 Fuel-ups

  Property of glvandenberg

• 22.7 Avg MPG

• INSTG8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Sep 2018 • 170 Fuel-ups

  Property of OMGnanerpus

• 14.1 Avg MPG

• Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added May 2018 • 303 Fuel-ups

  Property of agra27

• 12.6 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2022 • 81 Fuel-ups

  Property of Jacksonpage

• 14.5 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2016 • 417 Fuel-ups

  Property of Sbaneck

• 19.9 Avg MPG

• GREY8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Feb 2013 • 436 Fuel-ups

  Property of Plumman

• 17.7 Avg MPG

• Mi M8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2023 • 75 Fuel-ups

  Property of Logan-_-

• 17.6 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2019 • 233 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 • 219 Fuel-ups

  Property of tinagreen5

• 27.0 Avg MPG

• My G8

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed
  Added Sep 2024 • 13 Fuel-ups

  Property of Zyler9009

• 8.8 Avg MPG

• Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2018 • 315 Fuel-ups

  Property of golfjunky12

• 13.6 Avg MPG

• Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Aug 2016 • 406 Fuel-ups

  Property of nick58b

• 16.6 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2009 • 319 Fuel-ups

  Property of JoshHefnerX

• 17.6 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

• 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

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