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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

  • Big birtha

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 33 Fuel-ups

    Property of evansutton17

  • 12.2 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
    Added Jan 2018 • 11 Fuel-ups

    Property of faultlined

  • 16.0 Avg MPG
  • Truck

    2003 GMC Sierra 1500 WT 4.3L V6 GAS Extended Cab Pickup
    Added Oct 2017 • 95 Fuel-ups

    Property of Rhawkins

  • 16.1 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
    Added Feb 2018 • 29 Fuel-ups

    Property of drs3

  • 15.9 Avg MPG
  • Dad's Truck

    2003 GMC Sierra 1500 4.3L V6 GAS Standard 5 Speed Standard Cab Pickup
    Added Jan 2018 • 15 Fuel-ups

    Property of faultlined

  • 16.3 Avg MPG
  • Sierra

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Feb 2016 • 85 Fuel-ups

    Property of s_hassell97

  • 14.6 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Standard 5 Speed
    Added Jan 2016 • 18 Fuel-ups

    Property of clark62

  • 17.8 Avg MPG
  • Sierra

    2003 GMC Sierra 1500 SLT Extended Cab Pickup
    Added Oct 2017 • 14 Fuel-ups

    Property of rickels

  • 15.6 Avg MPG
  • 2003 GMC Sierra

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 251 Fuel-ups

    Property of bdow718

  • 14.6 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Dec 2016 • 7 Fuel-ups

    Property of RidgeDick

  • 17.4 Avg MPG
  • old blue

    2003 GMC Sierra 1500 GAS V6
    Added Mar 2014 • 84 Fuel-ups

    Property of km1360

  • 15.3 Avg MPG
  • GMC Sierra

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2017 • 30 Fuel-ups

    Property of abi2012

  • 13.4 Avg MPG
  • GMC Pickup

    2003 GMC Sierra 1500 SLE 4.3L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 188 Fuel-ups

    Property of genebilltest

  • 18.4 Avg MPG
  • z Old gmc truck

    2003 GMC Sierra 1500 SL
    Added Apr 2018 • 143 Fuel-ups

    Property of ve3kaw

  • 6.9 Avg MPG
  • Sold - GMC

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 185 Fuel-ups

    Property of Fasgas

  • 15.2 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
    Added Mar 2015 • 5 Fuel-ups

    Property of Missingdeathbed

  • 19.3 Avg MPG
  • Truck

    2003 GMC Sierra 1500 GAS V8
    Added Jan 2013 • 44 Fuel-ups

    Property of Jaymere

  • 16.1 Avg MPG
  • Trailer Queen

    2003 GMC Sierra 1500 GAS V8
    Added Sep 2011 • 59 Fuel-ups

    Property of Bluedragon

  • 16.3 Avg MPG
  • GMC1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Aug 2017 • 5 Fuel-ups

    Property of murdoc2003

  • 13.6 Avg MPG
  • 2003 Gmc sierra 1500 5.3L 4x4

    2003 GMC Sierra 1500 GAS V8
    Added Jan 2013 • 3 Fuel-ups

    Property of BigBoy2112

  • 9.6 Avg MPG

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