Based on data from 101 vehicles, 9,658 fuel-ups and 2,268,514 miles of driving, the 2005 Chevrolet Trailblazer gets a combined Avg MPG of 15.33 with a 0.06 MPG margin of error.

Any Engine Type 4.2L L6 GAS (86) GAS (1) L6 GAS (11) V8 GAS (2) Any Body Style Sport Utility (23) Any Submodel A (1) EXT (6) Base (10) LT (26) LS (43) Other (15)

Below you can see a distribution of the fuel-ups with 530 outliers (5.20%) removed.

Following shows the average MPG of each of the 101 vehicles in the system.

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• Grey Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L GAS L6 Automatic 4
  Added Nov 2013 • 331 Fuel-ups

  Property of Kinch1

• 16.1 Avg MPG

• Black lifted Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Oct 2015 • 8 Fuel-ups

  Property of DerrickOle

• 16.9 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Dec 2013 • 20 Fuel-ups

  Property of phazedout

• 16.6 Avg MPG

• Chevy Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 138 Fuel-ups

  Property of Boatman744

• 19.3 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L GAS L6 Automatic 4 Sport Utility (4 Door)
  Added Jan 2015 • 74 Fuel-ups

  Property of jameshawk35

• 17.7 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer GAS L6
  Added Dec 2013 • 45 Fuel-ups

  Property of Titan357

• 14.9 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer GAS L6
  Added Jul 2012 • 39 Fuel-ups

  Property of blide

• 13.9 Avg MPG

• TB

  2005 Chevrolet Trailblazer GAS L6
  Added Oct 2009 • 119 Fuel-ups

  Property of DBCFan

• 16.4 Avg MPG

• truck

  2005 Chevrolet Trailblazer GAS L6
  Added Oct 2008 • 148 Fuel-ups

  Property of dpm

• 14.3 Avg MPG

• Reid's TB

  2005 Chevrolet Trailblazer GAS L6
  Added Oct 2012 • 84 Fuel-ups

  Property of reidrules18

• 13.3 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer GAS L6
  Added May 2013 • 19 Fuel-ups

  Property of windhamskibum

• 14.6 Avg MPG

• mine

  2005 Chevrolet Trailblazer GAS L6
  Added Nov 2012 • 7 Fuel-ups

  Property of newfie6719

• 7.5 Avg MPG

• Whitey the wifes SUV

  2005 Chevrolet Trailblazer GAS L6
  Added Jul 2011 • 69 Fuel-ups

  Property of SSLaser

• 16.5 Avg MPG

• trailblazer ext v8

  2005 Chevrolet Trailblazer GAS V8
  Added Jan 2012 • 22 Fuel-ups

  Property of Coreymccraw

• 14.8 Avg MPG

• Trailblazer LS

  2005 Chevrolet Trailblazer GAS L6
  Added Jul 2012 • 16 Fuel-ups

  Property of BlaseL

• 16.3 Avg MPG

• Truck

  2005 Chevrolet Trailblazer GAS
  Added Jul 2012 • 3 Fuel-ups

  Property of lacim

• 16.0 Avg MPG

• Kris' TB

  2005 Chevrolet Trailblazer GAS V8
  Added Mar 2012 • 6 Fuel-ups

  Property of cyclopathic

• 15.8 Avg MPG

• TrailBlazer

  2005 Chevrolet Trailblazer
  Added Apr 2011 • 9 Fuel-ups

  Property of dbowersx

• 17.6 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer GAS L6
  Added Aug 2010 • 20 Fuel-ups

  Property of pulledoveragain

• 15.1 Avg MPG

• Wally

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 136 Fuel-ups

  Property of chrism80

• 15.5 Avg MPG

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