Based on data from 26 vehicles, 941 fuel-ups and 243,445 miles of driving, the 1999 Porsche Boxster gets a combined Avg MPG of 22.15 with a 0.24 MPG margin of error.

Any Engine Type 2.5L H6 GAS (22) H6 GAS (2) Any Body Style Convertible (7) Any Submodel Base (22) Other (4)

Below you can see a distribution of the fuel-ups with 76 outliers (7.47%) removed.

Following shows the average MPG of each of the 26 vehicles in the system.

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• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Aug 2021 • 23 Fuel-ups

  Property of spicerkb

• 22.9 Avg MPG

• 99 Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Feb 2023 • 11 Fuel-ups

  Property of ky34tr

• 18.4 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Aug 2023 • 3 Fuel-ups

  Property of d_fitswell

• 23.1 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Mar 2021 • 117 Fuel-ups

  Property of tund

• 21.1 Avg MPG

• Porsche Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Jun 2022 • 15 Fuel-ups

  Property of Snoopyslr

• 26.3 Avg MPG

• Boxster

  1999 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed
  Added Sep 2016 • 150 Fuel-ups

  Property of LocoDriver

• 19.2 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2017 • 24 Fuel-ups

  Property of raypgi

• 29.2 Avg MPG

• Porsche Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Aug 2020 • 61 Fuel-ups

  Property of jribero

• 33.6 Avg MPG

• Boxy

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Jul 2014 • 103 Fuel-ups

  Property of rocetboy321

• 21.2 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

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