Based on data from 17 vehicles, 633 fuel-ups and 181,402 miles of driving, the 2004 Porsche Boxster gets a combined Avg MPG of 22.18 with a 0.35 MPG margin of error.

Any Engine Type 2.7L H6 GAS (9) 3.2L H6 GAS (6) H6 GAS (2) Any Body Style Convertible (5) Any Submodel S (3) S Special Edition (3) Base (9) Other (2)

Below you can see a distribution of the fuel-ups with 80 outliers (11.22%) removed.

Following shows the average MPG of each of the 17 vehicles in the system.

• Porsche

  2004 Porsche Boxster 2.7L H6 GAS Manual 5 Speed Convertible
  Added Dec 2018 • 22 Fuel-ups

  Property of ds1212

• 27.1 Avg MPG

• 2004 BOXSTER S 550

  2004 Porsche Boxster S Special Edition 3.2L H6 GAS Manual 6 Speed
  Added Sep 2016 • 70 Fuel-ups

  Property of turboagent

• 18.7 Avg MPG

• My Boxster

  2004 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Mar 2021 • 8 Fuel-ups

  Property of Naky

• 17.1 Avg MPG

• My Boxster

  2004 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed
  Added Sep 2018 • 22 Fuel-ups

  Property of pakatran

• 21.1 Avg MPG

• 2004 Porsche Boxster

  2004 Porsche Boxster S Special Edition 3.2L H6 GAS Manual 6 Speed
  Added Jul 2019 • 3 Fuel-ups

  Property of trossol

• 21.0 Avg MPG

• 986 Boxster

  2004 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Jan 2011 • 110 Fuel-ups

  Property of Deserion

• 22.9 Avg MPG

• Boxster S

  2004 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed Convertible
  Added Jun 2012 • 30 Fuel-ups

  Property of nigelb

• 21.8 Avg MPG

• Boxster

  2004 Porsche Boxster 2.7L H6 GAS Standard 5 Speed Convertible
  Added Oct 2017 • 61 Fuel-ups

  Property of Dannyberm

• 21.6 Avg MPG

• Black S

  2004 Porsche Boxster S 3.2L H6 GAS Manual 6 Speed
  Added Sep 2016 • 86 Fuel-ups

  Property of notyours

• 23.0 Avg MPG

• Porker

  2004 Porsche Boxster 2.7L H6 GAS Manual 5 Speed Convertible
  Added May 2017 • 26 Fuel-ups

  Property of silverjag

• 22.5 Avg MPG

• My Boxster

  2004 Porsche Boxster 2.7L H6 GAS Manual 5 Speed
  Added Apr 2018 • 21 Fuel-ups

  Property of daidai-iro

• 21.3 Avg MPG

• Porsche Boxster

  2004 Porsche Boxster 2.7L H6 GAS Standard 5 Speed
  Added Dec 2018 • 51 Fuel-ups

  Property of dbblack

• 25.4 Avg MPG

• My Boxster

  2004 Porsche Boxster 2.7L H6 GAS Standard 5 Speed
  Added Jul 2016 • 24 Fuel-ups

  Property of wantsasheep

• 27.3 Avg MPG

• The Box

  2004 Porsche Boxster S Special Edition 3.2L H6 GAS Standard 6 Speed Convertible
  Added Sep 2008 • 105 Fuel-ups

  Property of RiskMan

• 19.8 Avg MPG

• Pablo

  2004 Porsche Boxster GAS H6
  Added Apr 2014 • 34 Fuel-ups

  Property of rocknroller

• 26.0 Avg MPG

• Porsche

  2004 Porsche Boxster 2.7L H6 GAS Standard 5 Speed
  Added Sep 2016 • 76 Fuel-ups

  Property of dmvi

• 6.0 Avg MPG

• My Boxster

  2004 Porsche Boxster GAS H6
  Added Apr 2011 • 9 Fuel-ups

  Property of ifmc100

• 31.4 Avg MPG