Based on data from 36 vehicles, 1,247 fuel-ups and 338,970 miles of driving, the 2005 Porsche Boxster gets a combined Avg MPG of 21.21 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 (3.03%) removed.

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

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• My Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Automatic 5 Speed
  Added Jul 2021 • 97 Fuel-ups

  Property of hoggin

• 23.7 Avg MPG

• Porsche Boxster S 3.2 987

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added May 2014 • 157 Fuel-ups

  Property of paulhird

• 22.9 Avg MPG

• Men-o-porsche

  2005 Porsche Boxster 2.7L H6 GAS Manual 5 Speed Convertible
  Added Jul 2024 • 7 Fuel-ups

  Property of kingcutgroover1

• 23.7 Avg MPG

• 987 Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed
  Added May 2024 • 8 Fuel-ups

  Property of ncavopol

• 24.5 Avg MPG

• Boxster

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Oct 2022 • 7 Fuel-ups

  Property of wrw199

• 16.9 Avg MPG

• Boxster

  2005 Porsche Boxster 2.7L H6 GAS Convertible
  Added Jul 2019 • 80 Fuel-ups

  Property of tderby19

• 21.3 Avg MPG

• Sabine

  2005 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Jun 2021 • 48 Fuel-ups

  Property of voodooturbo

• 23.4 Avg MPG

• OliveBS

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Dec 2021 • 27 Fuel-ups

  Property of FlatPower

• 18.2 Avg MPG

• Boxster S

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Apr 2021 • 56 Fuel-ups

  Property of TGI_J

• 20.3 Avg MPG

• Boxsta

  2005 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Sep 2019 • 24 Fuel-ups

  Property of Sputnik

• 20.9 Avg MPG

• Boxster 2005

  2005 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Jan 2020 • 25 Fuel-ups

  Property of Bob2005

• 22.1 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 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

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