Based on data from 104 vehicles, 9,946 fuel-ups and 2,328,718 miles of driving, the 2005 Chevrolet Trailblazer gets a combined Avg MPG of 15.31 with a 0.06 MPG margin of error.

Any Engine Type 4.2L L6 GAS (89) GAS (1) L6 GAS (11) V8 GAS (2) Any Body Style Sport Utility (24) Any Submodel A (1) EXT (6) Base (10) LT (26) LS (46) Other (15)

Below you can see a distribution of the fuel-ups with 551 outliers (5.25%) removed.

Following shows the average MPG of each of the 104 vehicles in the system.

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• My Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2023 • 30 Fuel-ups

  Property of GilmoreD

• 14.3 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2017 • 125 Fuel-ups

  Property of MikeChambers

• 16.3 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Nov 2023 • 17 Fuel-ups

  Property of mlroberts0212

• 13.5 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer EXT 4.2L L6 GAS Automatic 4 Speed
  Added Dec 2016 • 375 Fuel-ups

  Property of LaurieMD

• 14.9 Avg MPG

• Goldie

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Dec 2022 • 165 Fuel-ups

  Property of deejayemjay

• 14.2 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Jul 2017 • 850 Fuel-ups

  Property of KStateFan

• 15.3 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2023 • 10 Fuel-ups

  Property of 05trailblazerlt

• 11.4 Avg MPG

• Trailblazer05

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2021 • 23 Fuel-ups

  Property of JJPatro

• 13.6 Avg MPG

• Trail Blazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 333 Fuel-ups

  Property of jelongwell

• 16.1 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2022 • 23 Fuel-ups

  Property of tylergall

• 15.1 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Nov 2017 • 86 Fuel-ups

  Property of sarshane

• 13.2 Avg MPG

• Cheryl

  2005 Chevrolet Trailblazer EXT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 5 Fuel-ups

  Property of babooann

• 19.9 Avg MPG

• Mando | 05 Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2020 • 47 Fuel-ups

  Property of sowles

• 12.7 Avg MPG

• Blaze

  2005 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2021 • 7 Fuel-ups

  Property of Ahdree

• 14.9 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2020 • 17 Fuel-ups

  Property of Mdolfan

• 18.6 Avg MPG

• Chevy Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2016 • 343 Fuel-ups

  Property of jimybo

• 15.1 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed
  Added Dec 2020 • 24 Fuel-ups

  Property of ladyluck8707

• 26.2 Avg MPG

• My Trailblazer

  2005 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Nov 2016 • 78 Fuel-ups

  Property of HBB2009

• 14.5 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Oct 2018 • 92 Fuel-ups

  Property of Winpooh

• 17.0 Avg MPG

• Trailblazer

  2005 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 378 Fuel-ups

  Property of heritage92rs

• 12.5 Avg MPG

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