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2003 GMC Sierra 1500 MPG

Based on data from 59 vehicles, 4,200 fuel-ups and 1,207,749 miles of driving, the 2003 GMC Sierra 1500 gets a combined Avg MPG of 14.21 with a 0.09 MPG margin of error.

Below you can see a distribution of the fuel-ups with 272 outliers (6.08%) removed.

Following shows the average MPG of each of the 59 vehicles in the system.

2003 GMC Sierra 1500s For Sale Nearby

  • GMC 2003

    2003 GMC Sierra 1500 SLE
    Added Feb 2021 • 337 Fuel-ups

    Property of HRan

  • 17.0 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
    Added Dec 2018 • 89 Fuel-ups

    Property of LockeCars

  • 13.6 Avg MPG
  • Z71

    2003 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
    Added Sep 2014 • 121 Fuel-ups

    Property of 5bassman

  • 11.3 Avg MPG
  • 2003 Sierra

    2003 GMC Sierra 1500 WT 5.3L V8 GAS Automatic 4 Speed
    Added May 2019 • 55 Fuel-ups

    Property of jacmohr

  • 15.2 Avg MPG
  • 2003 GMC Sierra Z71

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jan 2018 • 246 Fuel-ups

    Property of ddaongam

  • 13.0 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
    Added Mar 2018 • 56 Fuel-ups

    Property of jasonmdecker

  • 17.8 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 345 Fuel-ups

    Property of thecellarseller

  • 15.4 Avg MPG
  • GMC Z71

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2020 • 33 Fuel-ups

    Property of XLR8260

  • 13.6 Avg MPG
  • 2003 GMC

    2003 GMC Sierra 1500 4.8L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 18 Fuel-ups

    Property of hornerr2722

  • 24.5 Avg MPG
  • Shela

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Aug 2020 • 44 Fuel-ups

    Property of Seriph

  • 16.4 Avg MPG
  • Denali

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 204 Fuel-ups

    Property of Murray66

  • 12.2 Avg MPG
  • GMC

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2018 • 368 Fuel-ups

    Property of gwlayman

  • 16.2 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2016 • 103 Fuel-ups

    Property of bradk4687

  • 13.6 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2020 • 50 Fuel-ups

    Property of killerkody

  • 16.7 Avg MPG
  • GMC Sierra

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2016 • 51 Fuel-ups

    Property of jsstreet

  • 13.2 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
  • Max

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2017 • 378 Fuel-ups

    Property of tjordan42

  • 13.6 Avg MPG
  • Big RED

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

    Property of Myke500

  • 12.5 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 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Feb 2021 • 6 Fuel-ups

    Property of TyGordon

  • 11.8 Avg MPG

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