Based on data from 154 vehicles, 14,410 fuel-ups and 3,676,002 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 494 outliers (3.31%) removed.

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

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• Pontiac

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 176 Fuel-ups

  Property of MotorHeadLS85

• 18.6 Avg MPG

• My G8

  2009 Pontiac G8 GXP 6.2L V8 GAS Manual 6 Speed
  Added Jun 2023 • 6 Fuel-ups

  Property of GMdave

• 18.8 Avg MPG

• Silver G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2022 • 73 Fuel-ups

  Property of Ryyaaannnn

• 11.4 Avg MPG

• -G8-

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2021 • 28 Fuel-ups

  Property of dmccleary

• 17.1 Avg MPG

• GXP

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed Sedan
  Added Jan 2022 • 30 Fuel-ups

  Property of DAVe3283

• 20.7 Avg MPG

• Valerie

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Mar 2019 • 222 Fuel-ups

  Property of corey_ten

• 20.4 Avg MPG

• Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Aug 2016 • 405 Fuel-ups

  Property of nick58b

• 16.6 Avg MPG

• My G8

  2009 Pontiac G8 GXP 6.2L V8 GAS Automatic 6 Speed
  Added Oct 2018 • 63 Fuel-ups

  Property of kgraves0711

• 15.7 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Apr 2023 • 32 Fuel-ups

  Property of danielfunk

• 16.5 Avg MPG

• My G8

  2009 Pontiac G8 3.6L V6 GAS Automatic 5 Speed
  Added Apr 2022 • 41 Fuel-ups

  Property of slack

• 19.7 Avg MPG

• My G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Apr 2016 • 62 Fuel-ups

  Property of CRWgxp

• 17.7 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 300 Fuel-ups

  Property of L13Jameson

• 18.3 Avg MPG

• Clubsport R8 E Series

  2009 Pontiac G8 GXP ٦٫٢L V8 GAS Automatic 6 Speed
  Added Sep 2018 • 42 Fuel-ups

  Property of san777

• 13.2 Avg MPG

• G8GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Nov 2010 • 463 Fuel-ups

  Property of Quick4Door

• 18.0 Avg MPG

• G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added May 2009 • 317 Fuel-ups

  Property of JoshHefnerX

• 17.6 Avg MPG

• NYLA

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Aug 2018 • 129 Fuel-ups

  Property of RayR0lls

• 15.6 Avg MPG

• G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Aug 2013 • 142 Fuel-ups

  Property of GrandPrix46

• 18.7 Avg MPG

• Pontiac G8

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Sep 2017 • 218 Fuel-ups

  Property of awilhelm

• 18.3 Avg MPG

• Black Beast

  2009 Pontiac G8 GT 6L GAS V8 Automatic 6 Sedan (4 Door)
  Added Feb 2015 • 113 Fuel-ups

  Property of Vman15

• 20.0 Avg MPG

• 2009 G8 GT

  2009 Pontiac G8 GT 6.0L V8 GAS Automatic 6 Speed Sedan
  Added Apr 2018 • 456 Fuel-ups

  Property of allesg

• 19.7 Avg MPG

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