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2003 GMC Sierra 1500 MPG

Based on data from 65 vehicles, 5,188 fuel-ups and 1,469,288 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

  • 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
  • 2003 GMC Sierra Z71

    2003 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Nov 2023 • 354 Fuel-ups

    Property of ddaongam

  • 12.8 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
  • 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
  • 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 4.3L 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
  • GMC Truck

    2003 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Dec 2024 • 13 Fuel-ups

    Property of Sotomail

  • 15.7 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

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