Based on data from 44 vehicles, 3,904 fuel-ups and 1,131,041 miles of driving, the 2006 GMC Envoy gets a combined Avg MPG of 16.57 with a 0.12 MPG margin of error.

Any Engine Type 4.2L L6 GAS (27) 5.3L V8 GAS (11) L6 GAS (3) Any Body Style Sport Utility (13) Any Submodel Denali (11) SLT (12) SLE (15) Other (6)

Below you can see a distribution of the fuel-ups with 59 outliers (1.49%) removed.

Following shows the average MPG of each of the 44 vehicles in the system.

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• Envoy

  2006 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 147 Fuel-ups

  Property of CaitoFamily

• 14.0 Avg MPG

• 2006 GMC Envoy Denali

  2006 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 132 Fuel-ups

  Property of rcb623

• 14.0 Avg MPG

• Envoy

  2006 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 12 Fuel-ups

  Property of mgdis4me82

• 26.4 Avg MPG

• My Envoy XL

  2006 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Feb 2018 • 15 Fuel-ups

  Property of 06gmcenvoy

• 11.4 Avg MPG

• Envoy

  2006 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Apr 2011 • 417 Fuel-ups

  Property of spanky1401

• 18.7 Avg MPG

• Little Blue Envoy

  2006 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Aug 2017 • 5 Fuel-ups

  Property of GeekSquad1992

• 20.3 Avg MPG

• Gmc Envoy

  2006 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Aug 2016 • 217 Fuel-ups

  Property of jgarling27

• 14.7 Avg MPG

• Envoy

  2006 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Mar 2017 • 49 Fuel-ups

  Property of bncledford

• 19.6 Avg MPG

• Envoy

  2006 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 36 Fuel-ups

  Property of banneslu

• 19.2 Avg MPG

• My Envoy

  2006 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Apr 2018 • 18 Fuel-ups

  Property of ardelpilot

• 17.6 Avg MPG

• James Klett

  2006 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added May 2017 • 4 Fuel-ups

  Property of sono5

• 16.5 Avg MPG

• Envoy

  2006 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Nov 2008 • 381 Fuel-ups

  Property of jcm

• 17.7 Avg MPG

• Denali

  2006 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Feb 2016 • 10 Fuel-ups

  Property of Frankenfuel

• 16.4 Avg MPG

• My Envoy

  2006 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Feb 2016 • 18 Fuel-ups

  Property of ririe1

• 18.5 Avg MPG

• Denali

  2006 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Nov 2015 • 10 Fuel-ups

  Property of maybe2fast

• 14.9 Avg MPG

• Envoy

  2006 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Sport Utility (4 Door)
  Added Nov 2012 • 14 Fuel-ups

  Property of Fatjock

• 14.0 Avg MPG

• GMC Envoy

  2006 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 91 Fuel-ups

  Property of Puckhead012

• 15.2 Avg MPG

• envoy

  2006 GMC Envoy
  Added May 2013 • 42 Fuel-ups

  Property of GenQuad4

• 15.4 Avg MPG

• Matt's Envoy

  2006 GMC Envoy GAS L6
  Added Aug 2008 • 196 Fuel-ups

  Property of Crunchy409

• 17.0 Avg MPG

• Beth's Envoy v. 2.0

  2006 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2016 • 73 Fuel-ups

  Property of JeeksMama

• 19.0 Avg MPG

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