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2003 GMC Sierra 1500 MPG

Based on data from 65 vehicles, 5,186 fuel-ups and 1,468,731 miles of driving, the 2003 GMC Sierra 1500 gets a combined Avg MPG of 14.21 with a 0.08 MPG margin of error.

Below you can see a distribution of the fuel-ups with 265 outliers (4.86%) removed.

Following shows the average MPG of each of the 65 vehicles in the system.

2003 GMC Sierra 1500s For Sale Nearby

  • Z71

    2003 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
    Added Sep 2014 • 143 Fuel-ups

    Property of 5bassman

  • 11.3 Avg MPG
  • GMC 2003

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2020 • 57 Fuel-ups

    Property of XLR8260

  • 14.0 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Dec 2021 • 4 Fuel-ups

    Property of sammyiammy

  • 9.3 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Aug 2019 • 78 Fuel-ups

    Property of Reeves89

  • 14.5 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
    Added Mar 2018 • 59 Fuel-ups

    Property of jasonmdecker

  • 17.7 Avg MPG
  • 2003 Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 131 Fuel-ups

    Property of Sandhopper

  • 14.4 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2016 • 104 Fuel-ups

    Property of bradk4687

  • 13.5 Avg MPG
  • 2003 GMC

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2017 • 140 Fuel-ups

    Property of Rivera

  • 19.8 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Feb 2021 • 6 Fuel-ups

    Property of TyGordon

  • 11.8 Avg MPG
  • Truck 4x4 extended cab

    2003 GMC Sierra 1500
    Added Mar 2013 • 84 Fuel-ups

    Property of bernermobile

  • 16.1 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2020 • 25 Fuel-ups

    Property of afi1

  • 17.3 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Jul 2017 • 82 Fuel-ups

    Property of zaomaster

  • 14.8 Avg MPG
  • Sierra

    2003 GMC Sierra 1500 SLT 4.8L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 120 Fuel-ups

    Property of reknigh

  • 13.4 Avg MPG
  • Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jun 2018 • 30 Fuel-ups

    Property of Parsonrick

  • 15.6 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added May 2019 • 6 Fuel-ups

    Property of zac_parker88

  • 15.8 Avg MPG
  • Truck

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Mar 2018 • 56 Fuel-ups

    Property of SlammerAngel

  • 12.8 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 18 Fuel-ups

    Property of jsills

  • 7.8 Avg MPG
  • GMC Seirra

    2003 GMC Sierra 1500 SL
    Added Apr 2018 • 105 Fuel-ups

    Property of ve3kaw

  • 14.6 Avg MPG
  • GMC Sierra

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2014 • 730 Fuel-ups

    Property of ScrapIT

  • 15.0 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jan 2018 • 10 Fuel-ups

    Property of midsouthgeek

  • 12.0 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

A little weight in the bed helps

The rear end of pick-up trucks is light so there is not much... ...

by Highwaylizard

Read more tips