Based on data from 103 vehicles, 6,094 fuel-ups and 1,420,867 miles of driving, the 2003 Chevrolet Trailblazer gets a combined Avg MPG of 15.38 with a 0.09 MPG margin of error.

Any Engine Type 4.2L L6 GAS (72) L6 GAS (25) V8 GAS (2) Any Body Style Sport Utility (22) Any Submodel North Face (1) EXT (2) Base (6) LTZ (9) LS (27) LT (27) Other (31)

Below you can see a distribution of the fuel-ups with 307 outliers (4.80%) removed.

Following shows the average MPG of each of the 103 vehicles in the system.

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• Joel's Car

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added May 2018 • 168 Fuel-ups

  Property of JoelBalk

• 15.3 Avg MPG

• Chevy Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Oct 2017 • 166 Fuel-ups

  Property of blackronin

• 15.1 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2016 • 103 Fuel-ups

  Property of jkrez3

• 17.1 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 134 Fuel-ups

  Property of rangerterp

• 15.5 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LTZ 4.2L L6 GAS Automatic 4 Speed
  Added May 2017 • 18 Fuel-ups

  Property of lilanimal12

• 23.1 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed
  Added Feb 2018 • 3 Fuel-ups

  Property of jake1227

• 16.3 Avg MPG

• 2003 - Trailblazer LS

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Apr 2018 • 115 Fuel-ups

  Property of jim1957

• 18.0 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Jun 2017 • 7 Fuel-ups

  Property of layla2011

• 15.4 Avg MPG

• Chevrolet TrailBlazer

  2003 Chevrolet Trailblazer LTZ 4.2L L6 GAS Automatic 4 Speed
  Added Jun 2018 • 30 Fuel-ups

  Property of BimmerNFS

• 17.0 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Jun 2017 • 20 Fuel-ups

  Property of charlette

• 20.8 Avg MPG

• The TB

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Jul 2016 • 33 Fuel-ups

  Property of AzTruckGuy

• 17.2 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added May 2017 • 3 Fuel-ups

  Property of OzLa

• 3.1 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer GAS L6
  Added Sep 2013 • 115 Fuel-ups

  Property of Th33nforcer

• 16.0 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2017 • 6 Fuel-ups

  Property of wilsonj

• 16.9 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added May 2017 • 12 Fuel-ups

  Property of bald13

• 16.2 Avg MPG

• TB

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Aug 2015 • 75 Fuel-ups

  Property of mirror13

• 13.3 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 277 Fuel-ups

  Property of MNark

• 14.6 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Feb 2016 • 18 Fuel-ups

  Property of hansen32011

• 16.8 Avg MPG

• 2003 Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2016 • 40 Fuel-ups

  Property of ErinJeter

• 16.1 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Sport Utility (4 Door)
  Added Jul 2015 • 21 Fuel-ups

  Property of cshill26

• 20.1 Avg MPG

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