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2003 GMC Sierra 1500 MPG

Based on data from 65 vehicles, 5,190 fuel-ups and 1,469,527 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 264 outliers (4.84%) removed.

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

2003 GMC Sierra 1500s For Sale Nearby

  • 2003 GMC Sierra Z71

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Nov 2023 • 355 Fuel-ups

    Property of ddaongam

  • 12.8 Avg MPG
  • Paw's Truck - GMC Sierra

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Mar 2021 • 68 Fuel-ups

    Property of JyRO

  • 17.1 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.8L V8 GAS Automatic 4 Speed
    Added Jul 2024 • 17 Fuel-ups

    Property of j81647362

  • 15.6 Avg MPG
  • 2003 Sierra

    2003 GMC Sierra 1500 WT 5.3L V8 GAS Automatic 4 Speed
    Added May 2019 • 76 Fuel-ups

    Property of jacmohr

  • 14.9 Avg MPG
  • Norman

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Nov 2016 • 46 Fuel-ups

    Property of BiannualPoet

  • 15.1 Avg MPG
  • GMC Truck

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Dec 2024 • 14 Fuel-ups

    Property of Sotomail

  • 17.1 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.8L V8 GAS Automatic 4 Speed
    Added Sep 2024 • 32 Fuel-ups

    Property of luigi151

  • 16.9 Avg MPG
  • Shela

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Aug 2020 • 153 Fuel-ups

    Property of Seriph

  • 15.7 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
    Added Dec 2018 • 146 Fuel-ups

    Property of LockeCars

  • 13.6 Avg MPG
  • GMC Sierra

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2016 • 71 Fuel-ups

    Property of jsstreet

  • 12.3 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
    Added Jun 2022 • 57 Fuel-ups

    Property of scoot252

  • 15.0 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2021 • 107 Fuel-ups

    Property of burge

  • 14.8 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Sep 2017 • 551 Fuel-ups

    Property of thecellarseller

  • 15.3 Avg MPG
  • 2003 GMC

    2003 GMC Sierra 1500 4.8L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 20 Fuel-ups

    Property of hornerr2722

  • 24.1 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2020 • 143 Fuel-ups

    Property of killerkody

  • 17.0 Avg MPG
  • 2003 GMC Sierra Z71

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jan 2018 • 326 Fuel-ups

    Property of ddaongam

  • 12.8 Avg MPG
  • GMC 2003

    2003 GMC Sierra 1500 SLE
    Added Feb 2021 • 425 Fuel-ups

    Property of HRan

  • 16.9 Avg MPG
  • Denali

    2003 GMC Sierra 1500 Denali 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 261 Fuel-ups

    Property of Murray66

  • 12.2 Avg MPG
  • My Sierra 1500

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
    Added Mar 2023 • 6 Fuel-ups

    Property of Tysont

  • 24.0 Avg MPG
  • GMC

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
    Added Jul 2018 • 414 Fuel-ups

    Property of gwlayman

  • 16.2 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Top Tier Fuel not what it's pumped up to be

An additive package cannot make good fuel out of dirty, low-... ...

by Jedda

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