Based on data from 31 vehicles, 1,084 fuel-ups and 282,420 miles of driving, the 1999 Porsche Boxster gets a combined Avg MPG of 22.26 with a 0.22 MPG margin of error.

Any Engine Type 2.5L H6 GAS (27) H6 GAS (2) Any Body Style Convertible (9) Any Submodel Base (27) Other (4)

Below you can see a distribution of the fuel-ups with 82 outliers (7.03%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

• «
• 1
• 2
• »

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Aug 2023 • 43 Fuel-ups

  Property of d_fitswell

• 23.5 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Apr 2025 • 4 Fuel-ups

  Property of audi355

• 27.7 Avg MPG

• Arctic Silver Metallic Express

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Sep 2023 • 9 Fuel-ups

  Property of FitAsAFiddle

• 24.2 Avg MPG

• Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Apr 2024 • 3 Fuel-ups

  Property of bdbaddog

• 24.9 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Jan 2024 • 24 Fuel-ups

  Property of Skalafut

• 22.0 Avg MPG

• Boxster

  1999 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed
  Added Sep 2016 • 158 Fuel-ups

  Property of LocoDriver

• 19.3 Avg MPG

• 99 Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Feb 2023 • 18 Fuel-ups

  Property of ky34tr

• 18.0 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Aug 2021 • 26 Fuel-ups

  Property of spicerkb

• 22.9 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Mar 2021 • 121 Fuel-ups

  Property of tund

• 21.0 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Nov 2023 • 52 Fuel-ups

  Property of JFCM

• 22.9 Avg MPG

• My Boxster

  1999 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2017 • 25 Fuel-ups

  Property of raypgi

• 29.3 Avg MPG

• Boxy

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Jul 2014 • 104 Fuel-ups

  Property of rocetboy321

• 21.1 Avg MPG

• Porsche Boxster

  1999 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Jun 2022 • 16 Fuel-ups

  Property of Snoopyslr

• 26.4 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

• 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

• «
• 1
• 2
• »