Based on data from 50 vehicles, 3,504 fuel-ups and 867,027 miles of driving, the 2003 GMC Envoy gets a combined Avg MPG of 16.75 with a 0.11 MPG margin of error.

Any Engine Type 4.2L L6 GAS (37) L6 GAS (11) V8 GAS (1) Any Body Style Sport Utility (9) Any Submodel SLE (15) SLT (22) Other (13)

Below you can see a distribution of the fuel-ups with 110 outliers (3.04%) removed.

Following shows the average MPG of each of the 50 vehicles in the system.

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• My Envoy

  2003 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Oct 2017 • 5 Fuel-ups

  Property of Guera

• 17.7 Avg MPG

• My Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2017 • 12 Fuel-ups

  Property of AlyceJean

• 15.5 Avg MPG

• Envoy Pb pod lpg

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2019 • 7 Fuel-ups

  Property of irek3miasto

• 92.9 Avg MPG

• Envoy LPG

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2019 • 65 Fuel-ups

  Property of irek3miasto

• 12.4 Avg MPG

• Mercedes ML350

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 85 Fuel-ups

  Property of mbarry

• 23.7 Avg MPG

• Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 55 Fuel-ups

  Property of sudan

• 15.5 Avg MPG

• Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Dec 2009 • 46 Fuel-ups

  Property of bharmsen

• 16.8 Avg MPG

• My Envoy

  2003 GMC Envoy SLE 4.2L L6 GAS Automatic 4
  Added May 2015 • 60 Fuel-ups

  Property of Stanford

• 21.4 Avg MPG

• My Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 132 Fuel-ups

  Property of Alokkair

• 16.2 Avg MPG

• GMC Envoy 2003

  2003 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Apr 2011 • 447 Fuel-ups

  Property of jmwebb

• 18.5 Avg MPG

• Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Jul 2016 • 5 Fuel-ups

  Property of meadman

• 16.6 Avg MPG

• Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 48 Fuel-ups

  Property of jeff6605

• 27.3 Avg MPG

• GMC Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 9 Fuel-ups

  Property of JayOne

• 20.8 Avg MPG

• My Envoy

  2003 GMC Envoy SLE 4.2L L6 GAS Automatic 4
  Added Jun 2015 • 8 Fuel-ups

  Property of chubble

• 16.6 Avg MPG

• Envoy

  2003 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 66 Fuel-ups

  Property of lotsagas

• 15.6 Avg MPG

• Envoy

  2003 GMC Envoy GAS L6
  Added Jan 2012 • 182 Fuel-ups

  Property of peepod2727

• 15.0 Avg MPG

• GMC Envoy XL

  2003 GMC Envoy GAS L6
  Added Nov 2013 • 54 Fuel-ups

  Property of motormike7

• 17.4 Avg MPG

• Envoy SLT

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 108 Fuel-ups

  Property of eclipse5302

• 13.6 Avg MPG

• Envy

  2003 GMC Envoy GAS L6
  Added Jul 2013 • 54 Fuel-ups

  Property of lotsagas

• 15.7 Avg MPG

• Envoy

  2003 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 122 Fuel-ups

  Property of samspam

• 18.5 Avg MPG

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