Based on data from 54 vehicles, 2,675 fuel-ups and 677,157 miles of driving, the 2003 Lexus IS300 gets a combined Avg MPG of 19.65 with a 0.12 MPG margin of error.

Any Engine Type 3.0L L6 GAS (47) L6 GAS (7) Any Body Style Sedan (14) Wagon (2) Any Submodel Sportcross (3) Base (44) Other (7)

Below you can see a distribution of the fuel-ups with 103 outliers (3.71%) removed.

Following shows the average MPG of each of the 54 vehicles in the system.

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• Lexus

  2003 Lexus IS300 Sportcross 3.0L L6 GAS Automatic 5 Speed Wagon
  Added Apr 2018 • 246 Fuel-ups

  Property of oneleggedone

• 19.4 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Jul 2019 • 34 Fuel-ups

  Property of juanreynaga

• 18.4 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Manual 5 Speed
  Added Aug 2019 • 50 Fuel-ups

  Property of domtrolene

• 19.6 Avg MPG

• Lexus IS300

  2003 Lexus IS300 3.0L L6 GAS Manual 5 Speed Sedan
  Added Oct 2015 • 150 Fuel-ups

  Property of Shobster

• 20.7 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Manual 5 Speed
  Added May 2020 • 82 Fuel-ups

  Property of chineserobot

• 19.6 Avg MPG

• Lexy

  2003 Lexus IS300 3.0L L6 GAS Standard 5 Speed Sedan
  Added Oct 2017 • 190 Fuel-ups

  Property of Brehmluke

• 19.6 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Jan 2019 • 53 Fuel-ups

  Property of flipside909

• 18.0 Avg MPG

• Lexi

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed Sedan
  Added Oct 2017 • 118 Fuel-ups

  Property of PsychoSly

• 20.0 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Oct 2018 • 16 Fuel-ups

  Property of Moonflower1780

• 36.0 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Oct 2019 • 46 Fuel-ups

  Property of paulallen13

• 18.4 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Jul 2019 • 48 Fuel-ups

  Property of kaisan

• 17.0 Avg MPG

• 2003 IS300

  2003 Lexus IS300 3.0L L6 GAS Manual 5 Speed
  Added Jul 2020 • 4 Fuel-ups

  Property of PapaGee

• 20.6 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Aug 2018 • 108 Fuel-ups

  Property of omg5mpg

• 20.7 Avg MPG

• Lexus IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Oct 2016 • 270 Fuel-ups

  Property of bparker

• 23.5 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Aug 2019 • 13 Fuel-ups

  Property of jpimm

• 16.6 Avg MPG

• 2003 Lexus IS300 SportCross

  2003 Lexus IS300 Sportcross 3.0L L6 GAS Automatic 5 Speed Wagon
  Added Sep 2019 • 14 Fuel-ups

  Property of Thuwa

• 19.8 Avg MPG

• '03 IS300

  2003 Lexus IS300 3.0L L6 GAS Manual 5 Speed Sedan
  Added Jun 2018 • 102 Fuel-ups

  Property of RJ280ZX

• 22.3 Avg MPG

• Monica is300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Sep 2016 • 12 Fuel-ups

  Property of namosa1956

• 25.3 Avg MPG

• My IS300

  2003 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Nov 2019 • 4 Fuel-ups

  Property of nsaleh010

• 18.5 Avg MPG

• Millenium Falcon

  2003 Lexus IS300 3.0L L6 GAS Manual 5 Speed Sedan
  Added Jul 2015 • 35 Fuel-ups

  Property of localkineguy

• 20.8 Avg MPG

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