Based on data from 21 vehicles, 756 fuel-ups and 203,248 miles of driving, the 1999 Porsche Boxster gets a combined Avg MPG of 22.31 with a 0.27 MPG margin of error.

Any Engine Type 2.5L H6 GAS (17) H6 GAS (2) Any Body Style Convertible (6) Any Submodel Base (17) Other (4)

Below you can see a distribution of the fuel-ups with 69 outliers (8.36%) removed.

Following shows the average MPG of each of the 21 vehicles in the system.

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• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2017 • 17 Fuel-ups

  Property of raypgi

• 29.2 Avg MPG

• Boxster

  1999 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed
  Added Sep 2016 • 141 Fuel-ups

  Property of LocoDriver

• 19.2 Avg MPG

• Porsche Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Aug 2020 • 54 Fuel-ups

  Property of jribero

• 34.5 Avg MPG

• Boxy

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Jul 2014 • 93 Fuel-ups

  Property of rocetboy321

• 21.4 Avg MPG

• Pikku Possu

  1999 Porsche Boxster 2,5L H6 GAS Manual 5 Speed
  Added Jun 2019 • 10 Fuel-ups

  Property of Arcturus

• 22.9 Avg MPG

• Porsche

  1999 Porsche Boxster 2.5L H6 GAS Convertible
  Added May 2019 • 9 Fuel-ups

  Property of breand68

• 21.0 Avg MPG

• The A-wing

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed Convertible
  Added May 2018 • 7 Fuel-ups

  Property of wilsonfisk

• 24.8 Avg MPG

• Porsche Boxster S

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2016 • 174 Fuel-ups

  Property of drwink

• 25.8 Avg MPG

• Pepé

  1999 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed
  Added Aug 2016 • 16 Fuel-ups

  Property of davidmontalvo

• 21.1 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Mar 2018 • 3 Fuel-ups

  Property of burdelli

• 20.0 Avg MPG

• Tim's Boxster

  1999 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed Convertible
  Added May 2018 • 18 Fuel-ups

  Property of tlcllc

• 22.1 Avg MPG

• Porsche Boxster

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Mar 2017 • 86 Fuel-ups

  Property of Macbry

• 21.8 Avg MPG

• Boxster

  1999 Porsche Boxster S
  Added Sep 2016 • 11 Fuel-ups

  Property of jonerm

• 164.5 Avg MPG

• porche

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed Convertible
  Added Feb 2015 • 27 Fuel-ups

  Property of vlad007

• 14.9 Avg MPG

• Boxster

  1999 Porsche Boxster S
  Added Oct 2016 • 34 Fuel-ups

  Property of jonerm

• 57.7 Avg MPG

• Boxster 986

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed Convertible
  Added Jun 2014 • 11 Fuel-ups

  Property of majorfubar

• 19.2 Avg MPG

• BMW R1100S motorcycle

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2016 • 7 Fuel-ups

  Property of drwink

• 42.0 Avg MPG

• Sally

  1999 Porsche Boxster GAS H6
  Added Sep 2013 • 6 Fuel-ups

  Property of 12128700

• 20.8 Avg MPG

• Porsche Boxter

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2016 • 46 Fuel-ups

  Property of Razorplack

• 24.7 Avg MPG

• Boxster

  1999 Porsche Boxster 2.5L H6 GAS
  Added Sep 2016 • 111 Fuel-ups

  Property of seidcar

• 24.2 Avg MPG

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