Based on data from 154 vehicles, 14,405 fuel-ups and 3,674,862 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 493 outliers (3.31%) removed.

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

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• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2012 • 473 Fuel-ups

  Property of johnnyservice

• 17.0 Avg MPG

• Toothless

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Oct 2014 • 274 Fuel-ups

  Property of shutupderek

• 15.7 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Nov 2018 • 97 Fuel-ups

  Property of mng8r

• 21.6 Avg MPG

• My G8

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed
  Added Nov 2017 • 162 Fuel-ups

  Property of hansenindustries

• 16.7 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Jun 2018 • 501 Fuel-ups

  Property of Rickrlee

• 19.2 Avg MPG

• My G8

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed
  Added May 2019 • 9 Fuel-ups

  Property of DEDoten

• 12.7 Avg MPG

• Sheila II

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2018 • 29 Fuel-ups

  Property of AirmanJoker

• 18.0 Avg MPG

• Snow White

  2009 Pontiac G8 GXP 6.2L V8 GAS Standard 6 Speed
  Added Oct 2017 • 74 Fuel-ups

  Property of hulkly2003

• 14.3 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 51 Fuel-ups

  Property of melvan

• 18.1 Avg MPG

• G8 GXP

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed
  Added Apr 2017 • 65 Fuel-ups

  Property of lVloses

• 13.1 Avg MPG

• Geeee Ate

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Oct 2013 • 29 Fuel-ups

  Property of korfu

• 16.2 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Oct 2018 • 7 Fuel-ups

  Property of rodh1234

• 9.8 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2018 • 10 Fuel-ups

  Property of 3500gtz

• 18.0 Avg MPG

• My G8

  2009 Pontiac G8 3.6L V6 GAS Automatic 5 Speed
  Added Oct 2016 • 77 Fuel-ups

  Property of taycain

• 19.3 Avg MPG

• G8

  2009 Pontiac G8 3.6L V6 GAS Automatic 5 Speed Sedan
  Added Nov 2017 • 16 Fuel-ups

  Property of Smiles_per_gallon

• 19.1 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Jan 2018 • 10 Fuel-ups

  Property of smokey_cummins

• 18.9 Avg MPG

• Misty's Car

  2009 Pontiac G8
  Added May 2013 • 188 Fuel-ups

  Property of mistykfrank

• 17.4 Avg MPG

• 2009 Pontiac G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Mar 2013 • 153 Fuel-ups

  Property of temptingf8

• 18.3 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2017 • 3 Fuel-ups

  Property of desantiago09

• 23.6 Avg MPG

• 2009 G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Sep 2017 • 3 Fuel-ups

  Property of leppy89

• 18.2 Avg MPG

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