Based on data from 142 vehicles, 11,780 fuel-ups and 3,029,156 miles of driving, the 2009 Pontiac G8 gets a combined Avg MPG of 17.89 with a 0.07 MPG margin of error.

Any Engine Type 3.6L V6 GAS (11) 6.0L V8 GAS (71) 6.2L V8 GAS (14) V6 GAS (2) V8 GAS (39) Any Body Style Sedan (48) Any Submodel Base (11) GXP (14) GT (72) Other (45)

Below you can see a distribution of the fuel-ups with 397 outliers (3.26%) removed.

Following shows the average MPG of each of the 142 vehicles in the system.

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• 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

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2016 • 3 Fuel-ups

  Property of ScreamingGoat

• 22.5 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Sep 2016 • 24 Fuel-ups

  Property of sjrahn

• 19.4 Avg MPG

• 2009 Pontiac G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Mar 2011 • 176 Fuel-ups

  Property of OP

• 16.5 Avg MPG

• My G8

  2009 Pontiac G8 GT 3.6L GAS V6 Automatic 5 Sedan (4 Door)
  Added Nov 2014 • 87 Fuel-ups

  Property of sarahjane

• 14.7 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2016 • 38 Fuel-ups

  Property of kcage9

• 19.7 Avg MPG

• My G8

  2009 Pontiac G8 3.6L V6 GAS Automatic 5 Speed
  Added Nov 2016 • 12 Fuel-ups

  Property of Fleisher08

• 13.7 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Apr 2016 • 10 Fuel-ups

  Property of aussiek2000

• 10.9 Avg MPG

• 2009 Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 192 Fuel-ups

  Property of lenmartin23

• 20.9 Avg MPG

• SnowWhite

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Apr 2015 • 40 Fuel-ups

  Property of Boosty

• 18.1 Avg MPG

• Silver G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2012 • 138 Fuel-ups

  Property of swalle

• 20.8 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Apr 2011 • 261 Fuel-ups

  Property of geobrz

• 17.1 Avg MPG

• My G8

  2009 Pontiac G8 GT 6L GAS V8 Automatic 6
  Added Feb 2015 • 26 Fuel-ups

  Property of Bizzy8

• 16.3 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 87 Fuel-ups

  Property of jlutz452

• 22.5 Avg MPG

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