2003 GMC Sierra 1500 MPG

Based on data from 31 vehicles, 1,242 fuel-ups and 351,214 miles of driving, the 2003 GMC Sierra 1500 gets a combined Avg MPG of 14.17 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 53 outliers (4.09%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

2003 GMC Sierra 1500s For Sale Nearby

  • GMC 4x4

    2003 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
    Added Jan 2017 • 22 Fuel-ups

    Property of gyirga

  • 14.7 Avg MPG
  • Sierra

    2003 GMC Sierra 1500 SLT 4.8L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 89 Fuel-ups

    Property of reknigh

  • 13.1 Avg MPG
  • Denali

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 94 Fuel-ups

    Property of Murray66

  • 12.5 Avg MPG
  • Sierra

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Feb 2016 • 50 Fuel-ups

    Property of s_hassell97

  • 15.1 Avg MPG
  • GMC Sierra

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2014 • 605 Fuel-ups

    Property of ScrapIT

  • 15.1 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2016 • 25 Fuel-ups

    Property of jsstreet

  • 13.6 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 6 Fuel-ups

    Property of jsills

  • 6.0 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2016 • 14 Fuel-ups

    Property of bradk4687

  • 13.0 Avg MPG
  • Z71

    2003 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
    Added Sep 2014 • 40 Fuel-ups

    Property of 5bassman

  • 11.5 Avg MPG
  • Truck 4x4 extended cab

    2003 GMC Sierra 1500
    Added Mar 2013 • 75 Fuel-ups

    Property of bernermobile

  • 16.5 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Standard 5 Speed
    Added Jan 2016 • 15 Fuel-ups

    Property of clark62

  • 18.4 Avg MPG
  • 2003 Sierra 1500

    2003 GMC Sierra 1500 SLT 4.3L V6 GAS Automatic 4 Speed
    Added Mar 2017 • 3 Fuel-ups

    Property of Sandhopper

  • 14.8 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
  • Big birtha

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 6 Fuel-ups

    Property of evansutton17

  • 13.1 Avg MPG
  • Norman

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Nov 2016 • 5 Fuel-ups

    Property of BiannualPoet

  • 15.9 Avg MPG
  • old blue

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

    Property of km1360

  • 15.3 Avg MPG
  • 2003 GMC

    2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 12 Fuel-ups

    Property of hornerr2722

  • 17.5 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
  • 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

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