Based on data from 28 vehicles, 1,499 fuel-ups and 445,506 miles of driving, the 2006 Lexus GS300 gets a combined Avg MPG of 21.57 with a 0.26 MPG margin of error.

Any Engine Type 3.0L V6 GAS (19) V6 GAS (8) Any Body Style Sedan (11) Any Submodel Base (19) Other (9)

Below you can see a distribution of the fuel-ups with 25 outliers (1.64%) removed.

Following shows the average MPG of each of the 28 vehicles in the system.

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• Lexus

  2006 Lexus GS300 3,0L V6 GAS Automatic 6 Speed Sedan
  Added Nov 2019 • 152 Fuel-ups

  Property of Siimkp

• 24.4 Avg MPG

• My GS300

  2006 Lexus GS300 3,0L V6 GAS Automatic 6 Speed
  Added Oct 2023 • 9 Fuel-ups

  Property of dnlhattingh

• 19.4 Avg MPG

• My GS300

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed
  Added Oct 2022 • 10 Fuel-ups

  Property of devinreeves

• 18.3 Avg MPG

• My GS300

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed
  Added Nov 2022 • 24 Fuel-ups

  Property of auAB1

• 18.5 Avg MPG

• Pistachio

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Feb 2022 • 15 Fuel-ups

  Property of Insight50

• 20.9 Avg MPG

• My Lexus (retired)

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Dec 2018 • 143 Fuel-ups

  Property of silvern

• 24.6 Avg MPG

• Lexus GS300 2006

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Mar 2023 • 192 Fuel-ups

  Property of ahsansharjeelAcar

• 21.5 Avg MPG

• My GS300

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed
  Added Feb 2023 • 11 Fuel-ups

  Property of micahacobb

• 21.0 Avg MPG

• Lexus GS300

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Sep 2022 • 12 Fuel-ups

  Property of PerfectCloud

• 13.3 Avg MPG

• 2006 GS300

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Apr 2022 • 6 Fuel-ups

  Property of mrtuning

• 20.3 Avg MPG

• Lexus GS300 2006

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Oct 2019 • 87 Fuel-ups

  Property of ahsansharjeel

• 21.2 Avg MPG

• Lexus GS

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added May 2017 • 172 Fuel-ups

  Property of Normski

• 22.7 Avg MPG

• My GS300

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed
  Added Nov 2018 • 10 Fuel-ups

  Property of grdsman

• 27.6 Avg MPG

• zOld: Lexus GS300 - 2006

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed
  Added Aug 2018 • 23 Fuel-ups

  Property of Professsorman

• 27.6 Avg MPG

• 3GS

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added May 2017 • 8 Fuel-ups

  Property of harryhb10

• 24.4 Avg MPG

• Paula

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Aug 2016 • 63 Fuel-ups

  Property of MESOCOO

• 18.7 Avg MPG

• Mark Lexus

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed
  Added Nov 2016 • 103 Fuel-ups

  Property of npix

• 19.2 Avg MPG

• Lexus 2006

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 100 Fuel-ups

  Property of Tonia

• 28.8 Avg MPG

• GS300 (running 87 octane)

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Jan 2013 • 95 Fuel-ups

  Property of bluelakeside

• 22.7 Avg MPG

• CDB73Y

  2006 Lexus GS300 Sports Luxury
  Added Aug 2016 • 84 Fuel-ups

  Property of Jitu

• 19.9 Avg MPG

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