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2003 GMC Sierra 2500 MPG

Based on data from 11 vehicles, 531 fuel-ups and 111,789 miles of driving, the 2003 GMC Sierra 2500 gets a combined Avg MPG of 11.43 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 50 outliers (8.61%) removed.

Following shows the average MPG of each of the 11 vehicles in the system.

2003 GMC Sierra 2500s For Sale Nearby

  • My Sierra 2500

    2003 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 4 Speed
    Added Nov 2024 • 8 Fuel-ups

    Property of Sampaxton

  • 9.4 Avg MPG
  • My Sierra 2500

    2003 GMC Sierra 2500 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Aug 2023 • 6 Fuel-ups

    Property of michaelran16

  • 12.9 Avg MPG
  • GMC 2500

    2003 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 5 Speed Extended Cab Pickup
    Added Apr 2022 • 6 Fuel-ups

    Property of rstarkey

  • 12.8 Avg MPG
  • Jimmy

    2003 GMC Sierra 2500 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Dec 2018 • 389 Fuel-ups

    Property of gseavey

  • 10.8 Avg MPG
  • My Sierra 2500

    2003 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed
    Added May 2020 • 4 Fuel-ups

    Property of smith40

  • 10.2 Avg MPG
  • OPA

    2003 GMC Sierra 2500 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added May 2018 • 45 Fuel-ups

    Property of Shirt

  • 12.1 Avg MPG
  • Depanneur

    2003 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jan 2019 • 3 Fuel-ups

    Property of Francis13th

  • 10.9 Avg MPG
  • My Sierra 2500

    2003 GMC Sierra 2500 6.0L V8 GAS Automatic 4 Speed
    Added May 2018 • 36 Fuel-ups

    Property of cnamburn

  • 17.4 Avg MPG
  • Truck

    2003 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 4 Speed
    Added May 2017 • 95 Fuel-ups

    Property of Zachary616

  • 12.5 Avg MPG
  • GMC

    2003 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 142 Fuel-ups

    Property of RobRice18

  • 11.8 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 GAS V8
    Added Jan 2011 • 232 Fuel-ups

    Property of Sup3rStar

  • 10.9 Avg MPG

Recent Activity

from other GMC Sierra 2500 vehicles (View All)

Tips

Avoid Ethanol

Using Fuelly and my trusty Scanguage I always track my MPG. ... ...

by mtxjohn

Read more tips