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2008 Pontiac G8 MPG

Based on data from 27 vehicles, 2,130 fuel-ups and 658,305 miles of driving, the 2008 Pontiac G8 gets a combined Avg MPG of 19.78 with a 0.18 MPG margin of error.

Below you can see a distribution of the fuel-ups with 7 outliers (0.33%) removed.

Following shows the average MPG of each of the 27 vehicles in the system.

2008 Pontiac G8s For Sale Nearby

  • G8

    2008 Pontiac G8 3.6L V6 GAS Automatic 5 Speed
    Added Aug 2016 • 45 Fuel-ups

    Property of Ryyaaannnn

  • 18.6 Avg MPG
  • G8orade

    2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
    Added Sep 2014 • 87 Fuel-ups

    Property of theflb

  • 18.0 Avg MPG
  • Jezebel

    2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
    Added May 2011 • 423 Fuel-ups

    Property of jhardy06

  • 18.4 Avg MPG
  • Black G8

    2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
    Added Sep 2017 • 15 Fuel-ups

    Property of keith455

  • 16.1 Avg MPG
  • G8 GT

    2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
    Added Jan 2012 • 161 Fuel-ups

    Property of adryan16

  • 18.3 Avg MPG
  • G8

    2008 Pontiac G8 3.6L V6 GAS Automatic 5 Sedan (4 Door)
    Added Aug 2012 • 240 Fuel-ups

    Property of bnewton831

  • 22.9 Avg MPG
  • Black Beauty

    2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 91 Fuel-ups

    Property of iNative

  • 20.2 Avg MPG
  • Pontiac G8

    2008 Pontiac G8 3.6L V6 GAS Automatic 5 Speed Sedan
    Added Dec 2017 • 273 Fuel-ups

    Property of grdamour

  • 24.0 Avg MPG
  • G8

    2008 Pontiac G8 3.6L V6 GAS Automatic 5 Speed Sedan
    Added Oct 2017 • 21 Fuel-ups

    Property of cpmjr123

  • 15.2 Avg MPG
  • Pontiac G8 GT

    2008 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
    Added Jan 2012 • 175 Fuel-ups

    Property of DrewDogG8

  • 17.5 Avg MPG
  • 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

Recent Activity

from other Pontiac G8 vehicles (View All)

Tips

Keep your RPM's low

When driving my truck it gets better mileage under 2,000 RPM's then when at 2,500

by Wwildman

Read more tips