Based on data from 36 vehicles, 1,266 fuel-ups and 344,331 miles of driving, the 2005 Porsche Boxster gets a combined Avg MPG of 21.23 with a 0.21 MPG margin of error.

Any Engine Type 2.7L H6 GAS (12) 3.2L H6 GAS (21) H6 GAS (2) Any Body Style Convertible (15) Any Submodel Base (13) S (21) Other (2)

Below you can see a distribution of the fuel-ups with 39 outliers (2.99%) removed.

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

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• Boxster S

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Nov 2018 • 17 Fuel-ups

  Property of Draigflag

• 19.9 Avg MPG

• Nikki

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added May 2018 • 21 Fuel-ups

  Property of WiperBlade

• 20.5 Avg MPG

• Boxster

  2005 Porsche Boxster 2.7L H6 GAS Automatic 5 Speed
  Added Jun 2021 • 13 Fuel-ups

  Property of meremeredith

• 17.5 Avg MPG

• Boxster

  2005 Porsche Boxster 2.7L H6 GAS Standard 5 Speed Convertible
  Added Oct 2017 • 53 Fuel-ups

  Property of swisscheese

• 16.4 Avg MPG

• Boxster S

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Sep 2018 • 31 Fuel-ups

  Property of Jonners

• 17.8 Avg MPG

• My Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed
  Added Sep 2016 • 33 Fuel-ups

  Property of Pezky

• 21.0 Avg MPG

• Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed
  Added Nov 2016 • 39 Fuel-ups

  Property of Kennek

• 22.3 Avg MPG

• Porsche

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed
  Added Mar 2017 • 36 Fuel-ups

  Property of seth4man

• 30.6 Avg MPG

• Porsche

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed
  Added Sep 2016 • 17 Fuel-ups

  Property of seth4man

• 41.1 Avg MPG

• Coco the Boxster S

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed Convertible
  Added Aug 2013 • 162 Fuel-ups

  Property of shortbloke

• 21.2 Avg MPG

• Boxster 987 2.7

  2005 Porsche Boxster 2.7L H6 GAS Standard 5 Speed Convertible
  Added Apr 2015 • 42 Fuel-ups

  Property of Insomniac1999

• 23.4 Avg MPG

• Boxster

  2005 Porsche Boxster
  Added May 2014 • 22 Fuel-ups

  Property of vrsix

• 22.4 Avg MPG

• Boxster

  2005 Porsche Boxster GAS H6
  Added May 2014 • 10 Fuel-ups

  Property of EddyH

• 23.4 Avg MPG

• Porsche Boxster S

  2005 Porsche Boxster GAS H6
  Added Dec 2012 • 7 Fuel-ups

  Property of MapleNuts

• 20.5 Avg MPG

• Porsche

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed
  Added Sep 2016 • 41 Fuel-ups

  Property of jsloser

• 21.3 Avg MPG

• Boxster S

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed
  Added Aug 2016 • 55 Fuel-ups

  Property of munk

• 17.0 Avg MPG

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