Based on data from 24 vehicles, 2,001 fuel-ups and 500,511 miles of driving, the 2008 GMC Envoy gets a combined Avg MPG of 14.02 with a 0.12 MPG margin of error.

Any Engine Type 4.2L L6 GAS (18) 5.3L V8 GAS (4) Any Body Style Sport Utility (8) Any Submodel Denali (4) SLE (8) SLT (10) Other (2)

Below you can see a distribution of the fuel-ups with 73 outliers (3.52%) removed.

Following shows the average MPG of each of the 24 vehicles in the system.

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• Denali

  2008 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added May 2018 • 404 Fuel-ups

  Property of spankyg

• 16.5 Avg MPG

• Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added May 2018 • 373 Fuel-ups

  Property of Denisg76

• 14.1 Avg MPG

• Envoy

  2008 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Feb 2025 • 3 Fuel-ups

  Property of drhartz1

• 8.8 Avg MPG

• Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Nov 2021 • 321 Fuel-ups

  Property of cdyer2336

• 16.5 Avg MPG

• The Envoy

  2008 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2023 • 13 Fuel-ups

  Property of RivMan

• 15.6 Avg MPG

• My Envoy

  2008 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Nov 2019 • 153 Fuel-ups

  Property of DezM

• 11.8 Avg MPG

• Jeff’s Envoy

  2008 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Dec 2020 • 85 Fuel-ups

  Property of Jeff80

• 16.4 Avg MPG

• Buddy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Nov 2017 • 760 Fuel-ups

  Property of BigDogWalker

• 13.6 Avg MPG

• My Envoy

  2008 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2023 • 9 Fuel-ups

  Property of msc4fsu

• 15.6 Avg MPG

• My Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Jun 2019 • 24 Fuel-ups

  Property of rnldpinyan

• 15.3 Avg MPG

• Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Nov 2020 • 156 Fuel-ups

  Property of wa3ufn

• 17.1 Avg MPG

• My Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed Sport Utility
  Added Sep 2018 • 50 Fuel-ups

  Property of IJGrenier8

• 16.5 Avg MPG

• My Envoy

  2008 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Feb 2018 • 58 Fuel-ups

  Property of dan_crews

• 15.0 Avg MPG

• Envoy

  2008 GMC Envoy
  Added May 2011 • 30 Fuel-ups

  Property of ArsrTech

• 17.2 Avg MPG

• My Envoy

  2008 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Feb 2018 • 20 Fuel-ups

  Property of Alesa

• 22.5 Avg MPG

• My Envoy

  2008 GMC Envoy SLE 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2017 • 35 Fuel-ups

  Property of billoftex

• 16.7 Avg MPG

• My Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added May 2018 • 72 Fuel-ups

  Property of Cupcake44704

• 11.8 Avg MPG

• My Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Jan 2018 • 10 Fuel-ups

  Property of Bryan16

• 16.5 Avg MPG

• 08 Envoy Denali

  2008 GMC Envoy Denali 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Apr 2017 • 31 Fuel-ups

  Property of Rizzo20

• 16.1 Avg MPG

• My Envoy

  2008 GMC Envoy SLT 4.2L L6 GAS Automatic 4 Speed
  Added Sep 2017 • 11 Fuel-ups

  Property of jgiesler

• 17.4 Avg MPG

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