Based on data from 24 vehicles, 1,690 fuel-ups and 424,463 miles of driving, the 2005 Chevrolet Trailblazer EXT gets a combined Avg MPG of 13.86 with a 0.15 MPG margin of error.

Any Engine Type 4.2L L6 GAS (17) 5.3L V8 GAS (7) Any Body Style Sport Utility (13) Any Submodel LS (4) LT (20)

Below you can see a distribution of the fuel-ups with 74 outliers (4.20%) removed.

Following shows the average MPG of each of the 24 vehicles in the system.

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• Green Lantern

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 151 Fuel-ups

  Property of hubers

• 13.3 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jan 2017 • 236 Fuel-ups

  Property of trouttrooper

• 17.1 Avg MPG

• My Trailblazer EXT

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed
  Added Oct 2018 • 99 Fuel-ups

  Property of gasitup

• 14.0 Avg MPG

• TINY

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2023 • 60 Fuel-ups

  Property of ivyn

• 11.1 Avg MPG

• My Trailblazer EXT

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2016 • 156 Fuel-ups

  Property of rand2k

• 14.3 Avg MPG

• My Trailblazer EXT

  2005 Chevrolet Trailblazer EXT LT 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2017 • 32 Fuel-ups

  Property of dasaver

• 14.9 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2020 • 47 Fuel-ups

  Property of notmuchofacarguy

• 16.9 Avg MPG

• Old - SUV (Bluezer)

  2005 Chevrolet Trailblazer EXT LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 246 Fuel-ups

  Property of LRewey

• 12.3 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer EXT LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2018 • 170 Fuel-ups

  Property of Ephradina

• 15.4 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer EXT LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 391 Fuel-ups

  Property of edenfijd

• 13.5 Avg MPG

• My Trailblazer EXT

  2005 Chevrolet Trailblazer EXT LS 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2020 • 3 Fuel-ups

  Property of critterhollar

• 12.5 Avg MPG

• Helga

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jan 2020 • 9 Fuel-ups

  Property of cyclop5

• 14.3 Avg MPG

• Trailbkazer

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Feb 2018 • 29 Fuel-ups

  Property of browse

• 24.0 Avg MPG

• My Trailblazer EXT

  2005 Chevrolet Trailblazer EXT LT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2017 • 66 Fuel-ups

  Property of alliejane131

• 11.7 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2017 • 65 Fuel-ups

  Property of P4kneea

• 14.8 Avg MPG

• Caitlyn T. Blazer

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2018 • 38 Fuel-ups

  Property of bgillinwv18

• 15.4 Avg MPG

• 2005 Trailblazer

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 148 Fuel-ups

  Property of kylel

• 15.8 Avg MPG

• Silver Truck

  2005 Chevrolet Trailblazer EXT LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Apr 2018 • 9 Fuel-ups

  Property of shorty202

• 15.4 Avg MPG

• My Trailblazer EXT

  2005 Chevrolet Trailblazer EXT LS 4.2L L6 GAS Automatic 4 Speed
  Added Feb 2017 • 97 Fuel-ups

  Property of rhmanning

• 15.8 Avg MPG

• Trina the Trailblazer

  2005 Chevrolet Trailblazer EXT LS 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 45 Fuel-ups

  Property of mbrooks706

• 11.9 Avg MPG

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