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2008 Hummer H3 MPG

Based on data from 29 vehicles, 1,643 fuel-ups and 363,922 miles of driving, the 2008 Hummer H3 gets a combined Avg MPG of 13.79 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 37 outliers (2.20%) removed.

Following shows the average MPG of each of the 29 vehicles in the system.

2008 Hummer H3s For Sale Nearby

  • Brutus

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed Sport Utility
    Added Feb 2017 • 702 Fuel-ups

    Property of jsandler

  • 13.9 Avg MPG
  • Hummer H3

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed
    Added Dec 2022 • 55 Fuel-ups

    Property of Loren03

  • 12.9 Avg MPG
  • + 2008 Hummer H3

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed Sport Utility
    Added Sep 2022 • 13 Fuel-ups

    Property of EchuOkan1

  • 10.0 Avg MPG
  • H3 Alpha

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed
    Added Jun 2018 • 190 Fuel-ups

    Property of Dan3874

  • 12.7 Avg MPG
  • My H3

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed
    Added Jan 2019 • 67 Fuel-ups

    Property of Blaketruett

  • 13.1 Avg MPG
  • My H3

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed
    Added Feb 2020 • 5 Fuel-ups

    Property of johnrig35

  • 14.2 Avg MPG
  • Hummer H3

    2008 Hummer H3 Luxury 3.7L L5 GAS Automatic 4 Speed Sport Utility
    Added Oct 2017 • 55 Fuel-ups

    Property of kacie0311

  • 15.2 Avg MPG
  • My H3

    2008 Hummer H3 3.7L L5 GAS Automatic 4 Speed
    Added Jun 2019 • 12 Fuel-ups

    Property of jhoblue1987

  • 14.1 Avg MPG
  • My H3

    2008 Hummer H3 3.7L L5 GAS Automatic 4 Speed
    Added Apr 2019 • 8 Fuel-ups

    Property of bschm306

  • 16.2 Avg MPG
  • Hummer

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 121 Fuel-ups

    Property of edona4

  • 15.3 Avg MPG
  • H3 Alpha

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed Sport Utility
    Added Feb 2019 • 11 Fuel-ups

    Property of WizardofGunMonkeys

  • 13.5 Avg MPG
  • Sammi

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed Sport Utility
    Added May 2018 • 7 Fuel-ups

    Property of HMVWNAB

  • 14.1 Avg MPG
  • H3

    2008 Hummer H3 3.7L L5 GAS Automatic 4 Speed
    Added Mar 2017 • 37 Fuel-ups

    Property of bnang9

  • 15.9 Avg MPG
  • My H3

    2008 Hummer H3 Adventure 3.7L L5 GAS Automatic 4 Speed
    Added Jan 2018 • 3 Fuel-ups

    Property of Brettm70

  • 11.7 Avg MPG
  • H3

    2008 Hummer H3 X 3.7L L5 GAS Automatic 4 Speed Sport Utility
    Added Sep 2012 • 276 Fuel-ups

    Property of nshummer

  • 14.5 Avg MPG
  • My H3

    2008 Hummer H3 3.7L L5 GAS Automatic 4 Speed
    Added Dec 2016 • 20 Fuel-ups

    Property of DaBigDumbBear

  • 14.3 Avg MPG
  • Hummer

    2008 Hummer H3 Alpha 5.3L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 41 Fuel-ups

    Property of edona4

  • 18.7 Avg MPG
  • My H3

    2008 Hummer H3 Luxury 3.7L L5 GAS Automatic 4 Speed
    Added Jul 2016 • 3 Fuel-ups

    Property of jjquito

  • 14.6 Avg MPG
  • Sharknado

    2008 Hummer H3 3.7L L5 GAS Automatic 4
    Added Aug 2015 • 29 Fuel-ups

    Property of JoshBear

  • 12.8 Avg MPG
  • H3

    2008 Hummer H3 GAS L5
    Added Aug 2013 • 35 Fuel-ups

    Property of Mikeoj338

  • 14.5 Avg MPG

Recent Activity

from other Hummer H3 vehicles (View All)

Tips

Engine Load, not RPM's save gas

Despite claims that RPM's are directly tied to fuel economy,... ...

by outlaw240

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