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2008 GMC Sierra 1500 MPG

Based on data from 112 vehicles, 8,544 fuel-ups and 2,360,433 miles of driving, the 2008 GMC Sierra 1500 gets a combined Avg MPG of 14.01 with a 0.06 MPG margin of error.

Below you can see a distribution of the fuel-ups with 280 outliers (3.17%) removed.

Following shows the average MPG of each of the 112 vehicles in the system.

2008 GMC Sierra 1500s For Sale Nearby

  • My Sierra 1500

    2008 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2022 • 49 Fuel-ups

    Property of wnifong

  • 14.3 Avg MPG
  • 2008 GMC Truck

    2008 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Crew Cab Pickup
    Added Nov 2018 • 207 Fuel-ups

    Property of IFIXEM2

  • 16.0 Avg MPG
  • Black betty

    2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
    Added Jun 2022 • 107 Fuel-ups

    Property of 2012skyactiv

  • 13.8 Avg MPG
  • My Sierra 1500

    2008 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
    Added Sep 2024 • 13 Fuel-ups

    Property of kadenbeard

  • 8.8 Avg MPG
  • Gregio

    2008 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Apr 2023 • 7 Fuel-ups

    Property of quiktekk

  • 17.4 Avg MPG
  • GMC DENAli

    2008 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 398 Fuel-ups

    Property of justgas

  • 14.1 Avg MPG
  • My Sierra 1500

    2008 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
    Added Oct 2018 • 140 Fuel-ups

    Property of sierraco

  • 10.0 Avg MPG
  • Brandon Derrick

    2008 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
    Added Mar 2017 • 419 Fuel-ups

    Property of agman01

  • 14.8 Avg MPG
  • Sierra

    2008 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Crew Cab Pickup
    Added Apr 2021 • 95 Fuel-ups

    Property of francmic

  • 13.3 Avg MPG
  • GMC

    2008 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Mar 2018 • 251 Fuel-ups

    Property of MHogsett

  • 16.1 Avg MPG
  • 246-35

    2008 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2023 • 32 Fuel-ups

    Property of Brandon-Lawrence

  • 10.5 Avg MPG
  • My Sierra 1500

    2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2020 • 106 Fuel-ups

    Property of Yankeeezilla

  • 13.8 Avg MPG
  • Sierra 1500

    2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 125 Fuel-ups

    Property of jordanGutts

  • 14.3 Avg MPG
  • Colin Truck

    2008 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Feb 2018 • 121 Fuel-ups

    Property of colinandcynthia

  • 14.5 Avg MPG
  • Dads Blu

    2008 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
    Added Aug 2019 • 90 Fuel-ups

    Property of ArsrTech

  • 13.9 Avg MPG
  • GMC

    2008 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed Crew Cab Pickup
    Added Oct 2017 • 101 Fuel-ups

    Property of Chemicalfree

  • 15.5 Avg MPG
  • Eggplant

    2008 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Crew Cab Pickup
    Added Oct 2020 • 66 Fuel-ups

    Property of JSGunderson

  • 12.5 Avg MPG
  • Truck

    2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2014 • 175 Fuel-ups

    Property of MChap15

  • 13.4 Avg MPG
  • My Sierra 1500

    2008 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
    Added Jan 2024 • 35 Fuel-ups

    Property of davidhoover

  • 13.5 Avg MPG
  • Sierra

    2008 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 4 Speed Crew Cab Pickup
    Added Sep 2024 • 83 Fuel-ups

    Property of Sev4Life

  • 14.6 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Drive-thru idling

While stopped in the drive thru (whether there is a line or ... ...

by Hawkraptor

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