Based on data from 34 vehicles, 1,151 fuel-ups and 313,259 miles of driving, the 2005 Porsche Boxster gets a combined Avg MPG of 21.14 with a 0.22 MPG margin of error.

Any Engine Type 2.7L H6 GAS (11) 3.2L H6 GAS (20) H6 GAS (2) Any Body Style Convertible (14) Any Submodel Base (12) S (20) Other (2)

Below you can see a distribution of the fuel-ups with 39 outliers (3.28%) removed.

Following shows the average MPG of each of the 34 vehicles in the system.

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• My Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Automatic 5 Speed
  Added Jul 2021 • 73 Fuel-ups

  Property of hoggin

• 23.8 Avg MPG

• Porsche Boxster S 3.2 987

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added May 2014 • 137 Fuel-ups

  Property of paulhird

• 22.7 Avg MPG

• Boxster

  2005 Porsche Boxster 2.7L H6 GAS Convertible
  Added Jul 2019 • 65 Fuel-ups

  Property of tderby19

• 21.4 Avg MPG

• OliveBS

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Dec 2021 • 21 Fuel-ups

  Property of FlatPower

• 19.1 Avg MPG

• Sabine

  2005 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Jun 2021 • 40 Fuel-ups

  Property of voodooturbo

• 23.9 Avg MPG

• Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Oct 2022 • 4 Fuel-ups

  Property of wrw199

• 16.6 Avg MPG

• Boxsta

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Sep 2019 • 23 Fuel-ups

  Property of Sputnik

• 20.9 Avg MPG

• My Boxster

  2005 Porsche Boxster 2.7L H6 GAS Automatic 5 Speed
  Added Feb 2022 • 149 Fuel-ups

  Property of AlanCrofts

• 16.4 Avg MPG

• Boxster 2005

  2005 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Jan 2020 • 23 Fuel-ups

  Property of Bob2005

• 22.3 Avg MPG

• Boxster S

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Apr 2021 • 50 Fuel-ups

  Property of TGI_J

• 20.3 Avg MPG

• Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed Convertible
  Added Apr 2018 • 45 Fuel-ups

  Property of pesticidal

• 22.5 Avg MPG

• Porsche Boxster S 987

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Nov 2021 • 19 Fuel-ups

  Property of vkoduri927

• 20.3 Avg MPG

• Boxster

  2005 Porsche Boxster 2.7L H6 GAS Standard 5 Speed
  Added Dec 2018 • 80 Fuel-ups

  Property of mleczko

• 24.8 Avg MPG

• Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed
  Added Feb 2020 • 51 Fuel-ups

  Property of sralott

• 23.9 Avg MPG

• My Boxster

  2005 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Dec 2021 • 6 Fuel-ups

  Property of pfz28

• 20.0 Avg MPG

• My Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Standard 6 Speed
  Added May 2018 • 10 Fuel-ups

  Property of athronas

• 20.3 Avg MPG

• My Boxster

  2005 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Jul 2018 • 29 Fuel-ups

  Property of willuamphillips

• 23.2 Avg MPG

• Boxster 987

  2005 Porsche Boxster 2.7L H6 GAS Automatic 5 Speed
  Added Oct 2020 • 3 Fuel-ups

  Property of SergioLeone

• 26.8 Avg MPG

• 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

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