Click here to see important news regarding the aCar App

2003 GMC Sierra 1500 MPG

Based on data from 52 vehicles, 2,799 fuel-ups and 787,056 miles of driving, the 2003 GMC Sierra 1500 gets a combined Avg MPG of 13.98 with a 0.11 MPG margin of error.

Below you can see a distribution of the fuel-ups with 226 outliers (7.47%) removed.

Following shows the average MPG of each of the 52 vehicles in the system.

2003 GMC Sierra 1500s For Sale Nearby

  • 2003 Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 91 Fuel-ups

    Property of Sandhopper

  • 14.4 Avg MPG
  • Truck

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Mar 2018 • 32 Fuel-ups

    Property of SlammerAngel

  • 13.5 Avg MPG
  • Denali

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 133 Fuel-ups

    Property of Murray66

  • 12.3 Avg MPG
  • 2003 GMC Sierra Z71

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jan 2018 • 71 Fuel-ups

    Property of ddaongam

  • 13.6 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2016 • 48 Fuel-ups

    Property of bradk4687

  • 13.5 Avg MPG
  • GMC 4x4

    2003 GMC Sierra 1500 WT 4.8L V8 GAS Automatic 4 Speed
    Added Jan 2017 • 85 Fuel-ups

    Property of gyirga

  • 14.3 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Jul 2017 • 39 Fuel-ups

    Property of zaomaster

  • 15.3 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 122 Fuel-ups

    Property of thecellarseller

  • 15.5 Avg MPG
  • Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jun 2018 • 15 Fuel-ups

    Property of Parsonrick

  • 17.4 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 9 Fuel-ups

    Property of jsills

  • 7.0 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
    Added Mar 2018 • 14 Fuel-ups

    Property of jasonmdecker

  • 16.5 Avg MPG
  • GMC

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2018 • 209 Fuel-ups

    Property of gwlayman

  • 16.1 Avg MPG
  • Norman

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2016 • 17 Fuel-ups

    Property of BiannualPoet

  • 15.6 Avg MPG
  • GMC

    2003 GMC Sierra 1500 SL 5.3L V8 GAS Automatic Extended Cab Pickup
    Added Sep 2017 • 24 Fuel-ups

    Property of Jankoviak

  • 14.4 Avg MPG
  • Truck 4x4 extended cab

    2003 GMC Sierra 1500
    Added Mar 2013 • 79 Fuel-ups

    Property of bernermobile

  • 16.3 Avg MPG
  • GMC Seirra

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

    Property of ve3kaw

  • 14.6 Avg MPG
  • Max

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Oct 2017 • 374 Fuel-ups

    Property of tjordan42

  • 13.5 Avg MPG
  • Sierra

    2003 GMC Sierra 1500 SLT 4.8L V8 GAS Automatic 4 Speed
    Added Aug 2016 • 108 Fuel-ups

    Property of reknigh

  • 13.2 Avg MPG
  • 2003 GMC

    2003 GMC Sierra 1500 4.8L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 14 Fuel-ups

    Property of hornerr2722

  • 26.2 Avg MPG
  • Z71

    2003 GMC Sierra 1500 SLT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
    Added Sep 2014 • 66 Fuel-ups

    Property of 5bassman

  • 11.3 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Switch out of defrost mode

Many of today’s vehicles turn on the A/C automatically whe... ...

by integrator43

Read more tips