Based on data from 18 vehicles, 363 fuel-ups and 88,978 miles of driving, the 1998 Porsche Boxster gets a combined Avg MPG of 21.99 with a 0.49 MPG margin of error.

Any Engine Type 2.5L H6 GAS (15) H6 GAS (3) Any Body Style Convertible (5) Any Submodel Base (15) Other (3)

Below you can see a distribution of the fuel-ups with 16 outliers (4.22%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• 1998 Porsche Boxster

  1998 Porsche Boxster 2.5L H6 GAS Manual 5 Speed Convertible
  Added Mar 2022 • 10 Fuel-ups

  Property of salguod

• 24.6 Avg MPG

• Boxster

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Sep 2016 • 30 Fuel-ups

  Property of fitz24

• 26.7 Avg MPG

• My Boxster

  1998 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed
  Added May 2021 • 8 Fuel-ups

  Property of nguyennd5

• 20.1 Avg MPG

• Boxster

  1998 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed Convertible
  Added Dec 2021 • 3 Fuel-ups

  Property of Superdave

• 18.4 Avg MPG

• Porsche Boxster

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Oct 2016 • 23 Fuel-ups

  Property of jfurney

• 19.2 Avg MPG

• Charles Davis

  1998 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Feb 2018 • 40 Fuel-ups

  Property of daviscw62

• 21.8 Avg MPG

• Boxster

  1998 Porsche Boxster 2.5L H6 GAS Manual 5 Speed
  Added Sep 2015 • 29 Fuel-ups

  Property of Stillinlovewiththis

• 27.9 Avg MPG

• Boxster

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2016 • 41 Fuel-ups

  Property of hoovler814

• 28.1 Avg MPG

• 986

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Mar 2017 • 37 Fuel-ups

  Property of dieAudi

• 48.6 Avg MPG

• Fancy Feast

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed Convertible
  Added Feb 2015 • 68 Fuel-ups

  Property of Rbet

• 22.9 Avg MPG

• Boxster

  1998 Porsche Boxster 2.5L H6 GAS Automatic 5 Speed Convertible
  Added Jun 2013 • 11 Fuel-ups

  Property of ibpitty

• 21.3 Avg MPG

• Daily runner

  1998 Porsche Boxster 2,5L H6 GAS Standard 5 Speed Convertible
  Added Aug 2014 • 25 Fuel-ups

  Property of Jamatton

• 21.2 Avg MPG

• Porsche

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Sep 2016 • 3 Fuel-ups

  Property of macanic

• 98.5 Avg MPG

• Boxster

  1998 Porsche Boxster GAS H6
  Added May 2011 • 12 Fuel-ups

  Property of fltrplntman

• 25.0 Avg MPG

• Boxster

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Aug 2016 • 39 Fuel-ups

  Property of wsheng

• 18.7 Avg MPG

• my porschd

  1998 Porsche Boxster GAS H6
  Added Jan 2011 • 4 Fuel-ups

  Property of roozie1

• 23.8 Avg MPG

• 98 Boxster

  1998 Porsche Boxster GAS H6
  Added Jun 2010 • 12 Fuel-ups

  Property of dmm

• 18.0 Avg MPG

• Porsche Boxster

  1998 Porsche Boxster 2.5L H6 GAS Standard 5 Speed
  Added Oct 2016 • 35 Fuel-ups

  Property of wcgh

• 30.6 Avg MPG