Based on data from 305 vehicles, 14,357 fuel-ups and 3,690,272 miles of driving, the 2004 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.97 with a 0.07 MPG margin of error.

Any Engine Type 6.0L V8 CNG (5) 6.0L V8 GAS (84) 6.6L V8 DIESEL (160) 8.1L V8 GAS (7) V8 DIESEL (23) V8 GAS (19) Any Body Style Standard Cab Pickup (8) Extended Cab Pickup (23) Crew Cab Pickup (48) Cab & Chassis - Crew Cab (1) Any Submodel WT (10) Base (23) LT (113) LS (114) Other (45)

Below you can see a distribution of the fuel-ups with 345 outliers (2.35%) removed.

Following shows the average MPG of each of the 305 vehicles in the system.

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• Rusty’s Duramax

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added May 2021 • 115 Fuel-ups

  Property of Firejammer135

• 13.2 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Oct 2020 • 256 Fuel-ups

  Property of jmp388

• 12.7 Avg MPG

• Sandra

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added May 2019 • 199 Fuel-ups

  Property of dannk

• 15.5 Avg MPG

• Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2020 • 170 Fuel-ups

  Property of HillbillySneaker

• 16.1 Avg MPG

• Truck

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Aug 2016 • 603 Fuel-ups

  Property of j_lmann

• 15.6 Avg MPG

• 04 Chevrolet

  2004 Chevrolet Silverado 2500 HD LS 8.1L V8 GAS Automatic 3 Speed Extended Cab Pickup
  Added May 2020 • 400 Fuel-ups

  Property of J_Mast

• 9.9 Avg MPG

• Sandy (Pickup)

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jul 2021 • 116 Fuel-ups

  Property of AELarson

• 14.6 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Oct 2022 • 20 Fuel-ups

  Property of FXRT

• 14.9 Avg MPG

• Chevrolet 2500 HD

  2004 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 517 Fuel-ups

  Property of mrnostalgia

• 10.4 Avg MPG

• Lb7

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Standard Cab Pickup
  Added Sep 2023 • 31 Fuel-ups

  Property of lbzduramaxvt

• 15.9 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added May 2018 • 207 Fuel-ups

  Property of asher1693

• 15.8 Avg MPG

• Silverado

  2004 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2018 • 238 Fuel-ups

  Property of Thebass6

• 10.0 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Aug 2023 • 25 Fuel-ups

  Property of baileyz

• 14.2 Avg MPG

• 2681

  2004 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Apr 2024 • 1 Fuel-up

  Property of Dwalsh89

• 0.0 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added Aug 2018 • 216 Fuel-ups

  Property of kyleiowa

• 8.8 Avg MPG

• Silverado

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 112 Fuel-ups

  Property of smooterrides

• 15.1 Avg MPG

• Colorado thunder

  2004 Chevrolet Silverado 2500 HD DIESEL V8
  Added Feb 2013 • 453 Fuel-ups

  Property of tgem

• 16.0 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2023 • 16 Fuel-ups

  Property of Swanny906

• 11.0 Avg MPG

• K2

  2004 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2023 • 22 Fuel-ups

  Property of Ceteked

• 10.9 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Feb 2019 • 154 Fuel-ups

  Property of tmerz2016

• 15.0 Avg MPG

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