Based on data from 105 vehicles, 10,446 fuel-ups and 2,475,667 miles of driving, the 2005 Chevrolet Trailblazer gets a combined Avg MPG of 15.40 with a 0.06 MPG margin of error.

Any Engine Type 4.2L L6 GAS (91) GAS (1) L6 GAS (11) V8 GAS (2) Any Body Style Sport Utility (26) Any Submodel A (1) EXT (6) Base (11) LT (27) LS (46) Other (14)

Below you can see a distribution of the fuel-ups with 587 outliers (5.32%) removed.

Following shows the average MPG of each of the 105 vehicles in the system.

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• My Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2021 • 250 Fuel-ups

  Property of elmexicano321

• 18.2 Avg MPG

• 2005 Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added May 2019 • 246 Fuel-ups

  Property of airtight_python

• 15.6 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2016 • 358 Fuel-ups

  Property of yesman1

• 14.3 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2016 • 176 Fuel-ups

  Property of nclafave

• 15.9 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Dec 2017 • 505 Fuel-ups

  Property of cjhertz

• 14.4 Avg MPG

• TrailBlazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2018 • 63 Fuel-ups

  Property of Jaxgent

• 21.6 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2016 • 251 Fuel-ups

  Property of jhoovertx

• 14.5 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2024 • 21 Fuel-ups

  Property of joostertag

• 15.9 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2019 • 100 Fuel-ups

  Property of partho67

• 14.3 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Apr 2024 • 15 Fuel-ups

  Property of ecase

• 14.3 Avg MPG

• 2005 Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Jun 2017 • 333 Fuel-ups

  Property of clueboy

• 16.9 Avg MPG

• КАСПЕР

  2005 Chevrolet Trailblazer LT 4,2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jan 2014 • 223 Fuel-ups

  Property of BoomBassA

• 12.8 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 213 Fuel-ups

  Property of flamin_boots

• 15.5 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2015 • 313 Fuel-ups

  Property of z49racing

• 17.5 Avg MPG

• Ms Piggy

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2023 • 46 Fuel-ups

  Property of clandrau

• 12.4 Avg MPG

• 2005 Trail Blazer

  2005 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Dec 2022 • 38 Fuel-ups

  Property of tcb46140

• 7.7 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2024 • 16 Fuel-ups

  Property of Fogarty

• 11.9 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Oct 2024 • 8 Fuel-ups

  Property of redskittle120

• 14.3 Avg MPG

• 05 Trailblazer

  2005 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jan 2025 • 7 Fuel-ups

  Property of Bit7

• 19.8 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer A 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2017 • 193 Fuel-ups

  Property of haplotace

• 19.8 Avg MPG

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