Based on data from 103 vehicles, 6,082 fuel-ups and 1,418,198 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 (4.81%) removed.

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

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• My Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2019 • 73 Fuel-ups

  Property of itkellysmith

• 17.5 Avg MPG

• TB

  2003 Chevrolet Trailblazer LTZ 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Mar 2023 • 134 Fuel-ups

  Property of tobypetree

• 16.8 Avg MPG

• 2003 Trailblazer

  2003 Chevrolet Trailblazer LTZ 4.2L L6 GAS Automatic 4 Speed
  Added Jun 2018 • 290 Fuel-ups

  Property of josette

• 17.7 Avg MPG

• Summer (Chevy)

  2003 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2019 • 167 Fuel-ups

  Property of Calion

• 11.5 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L GAS L6 Automatic 4 Sport Utility (4 Door)
  Added Feb 2015 • 544 Fuel-ups

  Property of mcsierra

• 12.2 Avg MPG

• TrailBlazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added May 2016 • 284 Fuel-ups

  Property of gpking

• 19.1 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Oct 2023 • 21 Fuel-ups

  Property of gardellcars

• 18.8 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Oct 2020 • 29 Fuel-ups

  Property of Jeff2002WS6

• 16.9 Avg MPG

• Trail

  2003 Chevrolet Trailblazer LTZ 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jun 2018 • 97 Fuel-ups

  Property of TSAFE

• 13.7 Avg MPG

• Chevrolet Pickup

  2003 Chevrolet Trailblazer EXT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 49 Fuel-ups

  Property of wshier

• 10.7 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed
  Added Jul 2022 • 5 Fuel-ups

  Property of robin04

• 15.5 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2023 • 6 Fuel-ups

  Property of clandrau

• 15.2 Avg MPG

• Ms Piggy

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2023 • 5 Fuel-ups

  Property of clandrau

• 16.1 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 265 Fuel-ups

  Property of mbiersack

• 15.5 Avg MPG

• The Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Feb 2015 • 92 Fuel-ups

  Property of wwentz

• 13.9 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2022 • 40 Fuel-ups

  Property of cmarpfister

• 16.5 Avg MPG

• Trailblazer

  2003 Chevrolet Trailblazer LT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Feb 2019 • 4 Fuel-ups

  Property of Kandrelly

• 132.8 Avg MPG

• Chevy

  2003 Chevrolet Trailblazer LS 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Apr 2022 • 6 Fuel-ups

  Property of salamander1987

• 13.2 Avg MPG

• My Trailblazer

  2003 Chevrolet Trailblazer 4.2L L6 GAS Automatic 4 Speed
  Added Feb 2022 • 5 Fuel-ups

  Property of shicady20

• 3.9 Avg MPG

• Chevrolet Trailblazer

  2003 Chevrolet Trailblazer LTZ 4,2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jan 2020 • 455 Fuel-ups

  Property of DaDree

• 17.4 Avg MPG

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