2004 GMC Sierra 3500 MPG

Based on data from 6 vehicles, 258 fuel-ups and 67,598 miles of driving, the 2004 GMC Sierra 3500 gets a combined Avg MPG of 12.94 with a 0.48 MPG margin of error.

Below you can see a distribution of the fuel-ups with 7 outliers (2.64%) removed.

Following shows the average MPG of each of the 6 vehicles in the system.

• My Sierra 3500

  2004 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 4 Speed
  Added Jan 2025 • 26 Fuel-ups

  Property of cattlemen

• 11.5 Avg MPG

• Sierra 3500 Dually

  2004 GMC Sierra 3500 SLE 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Sep 2021 • 171 Fuel-ups

  Property of rahulpanchbhai

• 15.8 Avg MPG

• My Sierra 3500

  2004 GMC Sierra 3500 SLE 8.1L V8 GAS Automatic 5 Speed
  Added Jul 2023 • 79 Fuel-ups

  Property of cvels67

• 9.2 Avg MPG

• My Sierra 3500

  2004 GMC Sierra 3500 SLT 6.6L V8 DIESEL Automatic 5 Speed
  Added Feb 2023 • 25 Fuel-ups

  Property of Dustin51

• 13.8 Avg MPG

• My Sierra 3500

  2004 GMC Sierra 3500 WT 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2019 • 10 Fuel-ups

  Property of Gagef_01

• 13.0 Avg MPG

• Snow White

  2004 GMC Sierra 3500 SLT 6.6L DIESEL V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Jul 2014 • 14 Fuel-ups

  Property of cameron99

• 16.1 Avg MPG