Based on data from 21 vehicles, 1,362 fuel-ups and 263,132 miles of driving, the 2003 Chevrolet Blazer gets a combined Avg MPG of 15.73 with a 0.14 MPG margin of error.

Any Engine Type 4.3L V6 GAS (19) V6 GAS (2) Any Body Style Sport Utility (3) Any Submodel Xtreme (1) ZR2 (1) LS (17) Other (2)

Below you can see a distribution of the fuel-ups with 50 outliers (3.54%) removed.

Following shows the average MPG of each of the 21 vehicles in the system.

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• My Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Oct 2020 • 77 Fuel-ups

  Property of tjbytheway

• 15.0 Avg MPG

• My Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2020 • 57 Fuel-ups

  Property of techv76

• 12.8 Avg MPG

• Chad Mallory

  2003 Chevrolet Blazer Xtreme 4.3L V6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2018 • 850 Fuel-ups

  Property of Cmallory183

• 13.7 Avg MPG

• Reese

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 251 Fuel-ups

  Property of Bmore410

• 16.8 Avg MPG

• My Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 4 Fuel-ups

  Property of quazzlebazzle

• 12.8 Avg MPG

• 2003 Chevrolet Blazer LS

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed Sport Utility
  Added Jan 2016 • 195 Fuel-ups

  Property of doctorfeelgood

• 17.7 Avg MPG

• My Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2016 • 57 Fuel-ups

  Property of BigAl07

• 17.9 Avg MPG

• ZR2 Blazer

  2003 Chevrolet Blazer ZR2 4.3L V6 GAS Standard 5 Speed
  Added Mar 2017 • 21 Fuel-ups

  Property of showt1me2000

• 13.9 Avg MPG

• My Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Jul 2017 • 3 Fuel-ups

  Property of pipgras

• 15.2 Avg MPG

• 2003 Chevy Blazer - Dads

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Jun 2017 • 20 Fuel-ups

  Property of Jaimi143

• 13.3 Avg MPG

• My Blazer

  2003 Chevrolet Blazer LS 4.3L GAS V6 Automatic 4 Sport Utility (4 Door)
  Added Apr 2015 • 83 Fuel-ups

  Property of mphitch

• 16.3 Avg MPG

• My Blazer

  2003 Chevrolet Blazer LS 4.3L GAS V6 Automatic 4 Sport Utility (4 Door)
  Added Jun 2015 • 3 Fuel-ups

  Property of weeksnkc

• 22.4 Avg MPG

• Chris

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 203 Fuel-ups

  Property of chrisayoung77

• 17.5 Avg MPG

• Blazer

  2003 Chevrolet Blazer LS 4.3L GAS V6 Automatic 4 Sport Utility (4 Door)
  Added May 2013 • 38 Fuel-ups

  Property of Rappayakkah

• 16.7 Avg MPG

• Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added May 2018 • 141 Fuel-ups

  Property of yesvack

• 17.8 Avg MPG

• 2003 Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2019 • 115 Fuel-ups

  Property of zocam2

• 15.5 Avg MPG

• 2003 Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed Sport Utility
  Added Aug 2019 • 115 Fuel-ups

  Property of zocam2

• 15.5 Avg MPG

• Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Apr 2017 • 5 Fuel-ups

  Property of colby9

• 17.5 Avg MPG

• rattles

  2003 Chevrolet Blazer GAS V6
  Added Nov 2013 • 4 Fuel-ups

  Property of foci12

• 14.4 Avg MPG

• Blazer

  2003 Chevrolet Blazer LS 4.3L V6 GAS Automatic 4 Speed
  Added Oct 2018 • 138 Fuel-ups

  Property of hummvee

• 16.1 Avg MPG

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