Based on data from 20 vehicles, 973 fuel-ups and 284,426 miles of driving, the 2006 Lexus GS300 gets a combined Avg MPG of 21.54 with a 0.37 MPG margin of error.

Any Engine Type 3.0L V6 GAS (10) V6 GAS (9) Any Body Style Sedan (7) Any Submodel Base (10) Other (10)

Below you can see a distribution of the fuel-ups with 17 outliers (1.72%) removed.

Following shows the average MPG of each of the 20 vehicles in the system.

• My Lexus

  2006 Lexus GS300 SE-L V6 GAS
  Added Dec 2018 • 7 Fuel-ups

  Property of silvern

• 24.9 Avg MPG

• Max Daniels

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added Oct 2018 • 14 Fuel-ups

  Property of tangent70

• 24.4 Avg MPG

• Lexus GS

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added May 2017 • 136 Fuel-ups

  Property of Normski

• 22.8 Avg MPG

• Jack

  2006 Lexus GS300 3.0L V6 GAS Automatic 6 Speed Sedan
  Added May 2018 • 58 Fuel-ups

  Property of MadDane

• 21.2 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

• 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

• Lexus

  2006 Lexus GS300 GAS V6
  Added Sep 2013 • 4 Fuel-ups

  Property of jazzenator

• 21.6 Avg MPG

• CT19297

  2006 Lexus GS300 GAS V6
  Added Mar 2014 • 16 Fuel-ups

  Property of abrih

• 21.8 Avg MPG

• Lexus

  2006 Lexus GS300 GAS V6
  Added May 2013 • 3 Fuel-ups

  Property of jbh5000

• 25.7 Avg MPG

• 06 Lexus

  2006 Lexus GS300 GAS V6
  Added Aug 2008 • 102 Fuel-ups

  Property of nrflower

• 19.2 Avg MPG

• Old GS300

  2006 Lexus GS300 GAS V6
  Added Sep 2008 • 118 Fuel-ups

  Property of kvn3

• 21.9 Avg MPG

• 06 GS300

  2006 Lexus GS300 GAS V6
  Added Jun 2010 • 59 Fuel-ups

  Property of akoni

• 23.8 Avg MPG

• My Lexus

  2006 Lexus GS300 GAS V6
  Added Aug 2008 • 32 Fuel-ups

  Property of jcandali

• 20.1 Avg MPG

• 2006 Lexus GS300 AWD

  2006 Lexus GS300 GAS V6
  Added Nov 2009 • 46 Fuel-ups

  Property of TommyLee44

• 22.3 Avg MPG