Based on data from 36 vehicles, 3,516 fuel-ups and 1,033,521 miles of driving, the 2008 Pontiac G8 gets a combined Avg MPG of 19.14 with a 0.15 MPG margin of error.

Any Engine Type 3.6L V6 GAS (5) 6.0L V8 GAS (21) V8 GAS (6) Any Body Style Sedan (11) Any Submodel Base (5) GT (22) Other (9)

Below you can see a distribution of the fuel-ups with 20 outliers (0.57%) removed.

Following shows the average MPG of each of the 36 vehicles in the system.

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• Hotrod

  2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Apr 2015 • 18 Fuel-ups

  Property of RayFinkle74

• 20.9 Avg MPG

• G8

  2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 95 Fuel-ups

  Property of B_Scribble

• 19.9 Avg MPG

• G8

  2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Feb 2013 • 165 Fuel-ups

  Property of mlittleton

• 16.8 Avg MPG

• Main Car

  2008 Pontiac G8 GT 6.0L GAS V8 Automatic 6 Sedan (4 Door)
  Added Jan 2015 • 23 Fuel-ups

  Property of Anthony85

• 20.9 Avg MPG

• Frosty

  2008 Pontiac G8 GT 6.0L GAS V8 Automatic 6 Sedan (4 Door)
  Added Jul 2014 • 14 Fuel-ups

  Property of Bmr4life

• 19.4 Avg MPG

• G8 868

  2008 Pontiac G8 GT 6.0L GAS V8 Automatic 6 Sedan (4 Door)
  Added Jul 2014 • 8 Fuel-ups

  Property of kommk

• 19.9 Avg MPG

• Beast

  2008 Pontiac G8 GT 6.0L GAS V8 Automatic 6 Sedan (4 Door)
  Added Aug 2014 • 5 Fuel-ups

  Property of Ferrara

• 12.3 Avg MPG

• g8

  2008 Pontiac G8 GAS V8
  Added Jan 2014 • 7 Fuel-ups

  Property of ssgbaum89

• 20.5 Avg MPG

• G8

  2008 Pontiac G8
  Added Aug 2013 • 32 Fuel-ups

  Property of hoss08

• 23.5 Avg MPG

• The G8

  2008 Pontiac G8 GAS V8
  Added Jun 2011 • 119 Fuel-ups

  Property of theun4gven

• 20.3 Avg MPG

• My G8 GT

  2008 Pontiac G8 GAS V8
  Added Aug 2012 • 13 Fuel-ups

  Property of 08V8G8

• 17.0 Avg MPG

• White Hot

  2008 Pontiac G8
  Added May 2011 • 72 Fuel-ups

  Property of fixem2

• 19.1 Avg MPG

• Black Mamba

  2008 Pontiac G8 GAS V8
  Added Jul 2011 • 21 Fuel-ups

  Property of RTom

• 18.8 Avg MPG

• G8

  2008 Pontiac G8 GT
  Added Sep 2016 • 34 Fuel-ups

  Property of pir84

• 18.3 Avg MPG

• G8

  2008 Pontiac G8 GAS V8
  Added Dec 2011 • 5 Fuel-ups

  Property of paulsg8

• 17.8 Avg MPG

• 2008 I.O.M. Pontiac G8 Sedan

  2008 Pontiac G8
  Added Feb 2010 • 65 Fuel-ups

  Property of Saginaw748

• 24.2 Avg MPG

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