Based on data from 103 vehicles, 6,096 fuel-ups and 1,421,016 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 308 outliers (4.81%) removed.

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

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• Chevy

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Dec 2016 • 29 Fuel-ups

  Property of bens8656

• 18.6 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Nov 2015 • 5 Fuel-ups

  Property of edsmithiii

• 17.1 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 62 Fuel-ups

  Property of bigwoo

• 17.3 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Sport Utility (4 Door)
  Added Jun 2015 • 26 Fuel-ups

  Property of TrailBlazer1515

• 20.5 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer GAS L6
  Added Dec 2013 • 72 Fuel-ups

  Property of Seearrdee

• 13.2 Avg MPG

• Chevrolet Trailblazer

  2003 Chevrolet Trailblazer EXT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 254 Fuel-ups

  Property of travishammond4488

• 19.4 Avg MPG

• Chevrolet Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2016 • 383 Fuel-ups

  Property of JRKrupka

• 18.4 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LTZ 4.2L GAS L6 Automatic 4 Sport Utility (4 Door)
  Added Aug 2014 • 10 Fuel-ups

  Property of Cyril

• 19.3 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer North Face 4.2L GAS L6 Automatic 4 Sport Utility (4 Door)
  Added Jan 2015 • 8 Fuel-ups

  Property of WorkToLive

• 15.7 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Oct 2016 • 124 Fuel-ups

  Property of RLinRR

• 18.0 Avg MPG

• Old Blue

  2003 Chevrolet Trailblazer GAS L6
  Added Jan 2014 • 20 Fuel-ups

  Property of zspeed3000

• 19.5 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer GAS L6
  Added Mar 2014 • 9 Fuel-ups

  Property of logepoge1

• 14.1 Avg MPG

• Chevrolet Trailblazr

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 101 Fuel-ups

  Property of quincysandy

• 18.0 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2016 • 63 Fuel-ups

  Property of tauff

• 13.9 Avg MPG

• White Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Dec 2016 • 12 Fuel-ups

  Property of caddydaddy7

• 13.2 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer GAS L6
  Added Jan 2009 • 39 Fuel-ups

  Property of kendall95

• 25.9 Avg MPG

• TB

  2003 Chevrolet Trailblazer GAS L6
  Added Apr 2013 • 37 Fuel-ups

  Property of YELLO

• 19.1 Avg MPG

• My Truck

  2003 Chevrolet Trailblazer GAS L6
  Added Apr 2013 • 20 Fuel-ups

  Property of Kayo7

• 16.7 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer GAS L6
  Added Feb 2012 • 92 Fuel-ups

  Property of KAP0921

• 15.7 Avg MPG

• TrailBlazer

  2003 Chevrolet Trailblazer GAS L6
  Added Jul 2013 • 14 Fuel-ups

  Property of ARMYtango

• 15.7 Avg MPG

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