Based on data from 184 vehicles, 14,345 fuel-ups and 3,687,004 miles of driving, the 2004 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.96 with a 0.07 MPG margin of error.

Any Engine Type 6.0L V8 CNG (1) 6.0L V8 GAS (48) 6.6L V8 DIESEL (102) 8.1L V8 GAS (3) V8 DIESEL (14) V8 GAS (11) Any Body Style Standard Cab Pickup (4) Extended Cab Pickup (14) Crew Cab Pickup (34) Cab & Chassis - Crew Cab (1) Any Submodel WT (3) Base (14) LS (69) LT (71) Other (27)

Below you can see a distribution of the fuel-ups with 344 outliers (2.34%) removed.

Following shows the average MPG of each of the 184 vehicles in the system.

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• Hauler

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Nov 2014 • 388 Fuel-ups

  Property of c699

• 13.5 Avg MPG

• Nye

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jun 2018 • 10 Fuel-ups

  Property of absoidaho

• 18.8 Avg MPG

• Duramax

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2017 • 28 Fuel-ups

  Property of grizzly83

• 15.2 Avg MPG

• My Silverado 2500 HD 4wd

  2004 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 4 Speed
  Added Jul 2018 • 4 Fuel-ups

  Property of audioinc

• 6.8 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Dec 2017 • 19 Fuel-ups

  Property of chadrogers

• 16.5 Avg MPG

• Doug's Silverado

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 42 Fuel-ups

  Property of dougnlee

• 14.2 Avg MPG

• Magnus

  2004 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 5 Speed Extended Cab Pickup
  Added May 2013 • 68 Fuel-ups

  Property of bookermorgan86

• 11.2 Avg MPG

• Midnight

  2004 Chevrolet Silverado 2500 HD DIESEL V8
  Added Jun 2013 • 12 Fuel-ups

  Property of shoshdog

• 14.9 Avg MPG

• Truck

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 6 Speed Standard Cab Pickup
  Added May 2018 • 132 Fuel-ups

  Property of rjgrady

• 14.2 Avg MPG

• Silverado

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jul 2015 • 35 Fuel-ups

  Property of tylerhughes

• 15.1 Avg MPG

• 2500HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Feb 2018 • 25 Fuel-ups

  Property of GDB1

• 11.6 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Jan 2017 • 57 Fuel-ups

  Property of zack0913

• 16.6 Avg MPG

• Alan McGowan

  2004 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added May 2018 • 258 Fuel-ups

  Property of amcgowan

• 11.2 Avg MPG

• Donny's

  2004 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 5 Speed
  Added Aug 2016 • 366 Fuel-ups

  Property of dj906

• 3.1 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2017 • 48 Fuel-ups

  Property of enthuz

• 16.8 Avg MPG

• Da' Truck

  2004 Chevrolet Silverado 2500 HD DIESEL V8
  Added Jun 2011 • 103 Fuel-ups

  Property of moremazda

• 15.6 Avg MPG

• DirtyMax

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Jan 2014 • 167 Fuel-ups

  Property of chuckatthetrack

• 16.4 Avg MPG

• Dawnette

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Standard 5 Speed Crew Cab Pickup
  Added Jan 2018 • 3 Fuel-ups

  Property of mxz800slce

• 16.1 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Oct 2017 • 21 Fuel-ups

  Property of Xaphus

• 14.5 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2017 • 34 Fuel-ups

  Property of RadRichie

• 15.2 Avg MPG

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