Based on data from 58 vehicles, 4,647 fuel-ups and 1,220,338 miles of driving, the 2004 Lexus IS300 gets a combined Avg MPG of 19.91 with a 0.11 MPG margin of error.

Any Engine Type 3.0L L6 GAS (44) GAS (1) L6 GAS (12) Any Body Style Sedan (18) Any Submodel Sportcross (4) Base (40) Other (14)

Below you can see a distribution of the fuel-ups with 119 outliers (2.50%) removed.

Following shows the average MPG of each of the 58 vehicles in the system.

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• My IS300

  2004 Lexus IS300 Sportcross 3.0L L6 GAS Automatic 5 Speed
  Added Jul 2024 • 13 Fuel-ups

  Property of Jabra94

• 29.7 Avg MPG

• Selene

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Mar 2018 • 276 Fuel-ups

  Property of Dusinhof

• 20.2 Avg MPG

• Lexus

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed Sedan
  Added Apr 2018 • 207 Fuel-ups

  Property of mbalaganskiy

• 20.0 Avg MPG

• Das Lexus

  2004 Lexus IS300 3.0L L6 GAS Manual 5 Speed Sedan
  Added Jun 2015 • 365 Fuel-ups

  Property of Spoonanator

• 20.0 Avg MPG

• Abegail

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Oct 2024 • 8 Fuel-ups

  Property of kmshintani

• 19.9 Avg MPG

• IS300

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed Sedan
  Added Jan 2020 • 83 Fuel-ups

  Property of SpeedInterceptor100

• 22.6 Avg MPG

• Izzy

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed Sedan
  Added May 2015 • 139 Fuel-ups

  Property of GneshGnesh

• 19.8 Avg MPG

• IS300

  2004 Lexus IS300 3.0L L6 GAS Manual 5 Speed Sedan
  Added Apr 2023 • 16 Fuel-ups

  Property of potentjules

• 19.2 Avg MPG

• My IS300

  2004 Lexus IS300 Sportcross 3.0L L6 GAS Automatic 5 Speed
  Added Oct 2021 • 58 Fuel-ups

  Property of dmcenerney

• 18.7 Avg MPG

• My IS300

  2004 Lexus IS300 3.0L L6 GAS Standard 5 Speed
  Added Apr 2016 • 37 Fuel-ups

  Property of Blackwolf15

• 22.0 Avg MPG

• IS300

  2004 Lexus IS300 3.0L L6 GAS Standard 5 Speed
  Added May 2017 • 287 Fuel-ups

  Property of SnakeEater900Supra

• 22.6 Avg MPG

• the flexus

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Feb 2020 • 27 Fuel-ups

  Property of ricerocket

• 17.3 Avg MPG

• IS300

  2004 Lexus IS300 3.0L L6 GAS Manual 5 Speed
  Added Mar 2018 • 32 Fuel-ups

  Property of tv4184

• 20.2 Avg MPG

• Lexus

  2004 Lexus IS300 3.0L L6 GAS Standard 5 Speed
  Added Mar 2017 • 206 Fuel-ups

  Property of theshizzy21

• 18.2 Avg MPG

• My IS300

  2004 Lexus IS300 3.0L L6 GAS Manual 5 Speed
  Added Jul 2022 • 11 Fuel-ups

  Property of FlexusKev

• 20.3 Avg MPG

• IS300

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added May 2017 • 274 Fuel-ups

  Property of oSiiL3NTx

• 21.1 Avg MPG

• My IS300

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Apr 2019 • 78 Fuel-ups

  Property of Sleetui

• 18.0 Avg MPG

• GGP

  2004 Lexus IS300 3.0L L6 GAS Manual 5 Speed Sedan
  Added Sep 2011 • 253 Fuel-ups

  Property of samsunite00

• 24.0 Avg MPG

• IS300

  2004 Lexus IS300 3.0L L6 GAS Standard 5 Speed
  Added Mar 2017 • 50 Fuel-ups

  Property of kalieaire

• 22.4 Avg MPG

• My IS300

  2004 Lexus IS300 3.0L L6 GAS Automatic 5 Speed
  Added Dec 2018 • 76 Fuel-ups

  Property of bbotelho

• 16.9 Avg MPG

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