2003 GMC Sierra 2500 MPG

Based on data from 11 vehicles, 527 fuel-ups and 110,944 miles of driving, the 2003 GMC Sierra 2500 gets a combined Avg MPG of 11.45 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 50 outliers (8.67%) removed.

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

• My Sierra 2500

  2003 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 4 Speed
  Added Nov 2024 • 3 Fuel-ups

  Property of Sampaxton

• 9.6 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