Based on data from 190 vehicles, 14,644 fuel-ups and 3,758,438 miles of driving, the 2004 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.94 with a 0.07 MPG margin of error.

Any Engine Type 6.0L V8 CNG (2) 6.0L V8 GAS (51) 6.6L V8 DIESEL (104) 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 (35) Cab & Chassis - Crew Cab (1) Any Submodel WT (3) Base (14) LS (72) LT (74) Other (27)

Below you can see a distribution of the fuel-ups with 350 outliers (2.33%) removed.

Following shows the average MPG of each of the 190 vehicles in the system.

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• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Cab & Chassis (4 Door)
  Added Jul 2015 • 15 Fuel-ups

  Property of ChevyDmax56

• 16.5 Avg MPG

• RV Hauler

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Oct 2015 • 21 Fuel-ups

  Property of manofsally

• 15.9 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LS 6.6L DIESEL V8 Automatic 5 Cab & Chassis (4 Door)
  Added May 2015 • 6 Fuel-ups

  Property of jonsbabyd

• 16.1 Avg MPG

• Silverado

  2004 Chevrolet Silverado 2500 HD LS 6.0L GAS V8 Automatic 5 Extended Cab Pickup (4 Door)
  Added Feb 2015 • 4 Fuel-ups

  Property of jcollege1226

• 11.6 Avg MPG

• MAX

  2004 Chevrolet Silverado 2500 HD LS 6.6L DIESEL V8 Automatic 5 Extended Cab Pickup (4 Door)
  Added Jul 2014 • 7 Fuel-ups

  Property of kommk

• 17.0 Avg MPG

• Diesel

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Dec 2019 • 6 Fuel-ups

  Property of rdurbin

• 14.2 Avg MPG

• My Silverado 2500 HD

  2004 Chevrolet Silverado 2500 HD LT 8.1L GAS V8 Automatic 4 Cab & Chassis (4 Door)
  Added Jul 2014 • 5 Fuel-ups

  Property of crewcabbum

• 10.8 Avg MPG

• Environment Canada Silverado

  2004 Chevrolet Silverado 2500 HD GAS V8
  Added Jun 2014 • 3 Fuel-ups

  Property of jimhawk

• 16.7 Avg MPG

• "Big Block" 2500HD 8.1/Allison

  2004 Chevrolet Silverado 2500 HD V8 GAS
  Added Mar 2013 • 12 Fuel-ups

  Property of DaubsNU1

• 11.7 Avg MPG

• Truck

  2004 Chevrolet Silverado 2500 HD
  Added Jun 2013 • 31 Fuel-ups

  Property of bfhollis

• 14.1 Avg MPG

• Dodge

  2004 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 4 Speed
  Added Sep 2016 • 25 Fuel-ups

  Property of GasittScott

• 14.6 Avg MPG

• Duramax

  2004 Chevrolet Silverado 2500 HD
  Added Jun 2013 • 4 Fuel-ups

  Property of ShakeNBake

• 15.8 Avg MPG

• 04 Silverado 2500HD

  2004 Chevrolet Silverado 2500 HD GAS V8
  Added Feb 2012 • 63 Fuel-ups

  Property of bMileage

• 11.6 Avg MPG

• Silverado 2500HD

  2004 Chevrolet Silverado 2500 HD GAS V8
  Added Jan 2014 • 3 Fuel-ups

  Property of AZJunk

• 20.1 Avg MPG

• 2004 2500HD

  2004 Chevrolet Silverado 2500 HD GAS V8
  Added Jan 2013 • 24 Fuel-ups

  Property of scottz

• 11.0 Avg MPG

• Big Red

  2004 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2017 • 45 Fuel-ups

  Property of skylerence

• 13.3 Avg MPG

• The Pig

  2004 Chevrolet Silverado 2500 HD GAS V8
  Added Aug 2012 • 4 Fuel-ups

  Property of MKorn

• 15.7 Avg MPG

• Darcy

  2004 Chevrolet Silverado 2500 HD DIESEL V8
  Added Jan 2013 • 14 Fuel-ups

  Property of SnowCat99

• 14.2 Avg MPG

• big red

  2004 Chevrolet Silverado 2500 HD DIESEL V8
  Added May 2012 • 26 Fuel-ups

  Property of mossburg

• 17.6 Avg MPG

• 2004 Dmax LLY

  2004 Chevrolet Silverado 2500 HD DIESEL V8
  Added Feb 2011 • 31 Fuel-ups

  Property of calirider

• 14.2 Avg MPG

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