Based on data from 179 vehicles, 11,695 fuel-ups and 3,152,909 miles of driving, the 2003 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.71 with a 0.08 MPG margin of error.

Any Engine Type 6.0L V8 CNG (3) 6.0L V8 GAS (49) 6.6L V8 DIESEL (97) 8.1L V8 GAS (11) V8 DIESEL (13) V8 GAS (3) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (22) Crew Cab Pickup (31) Cab & Chassis (1) Any Submodel WT (4) Base (26) LT (61) LS (71) Other (17)

Below you can see a distribution of the fuel-ups with 164 outliers (1.38%) removed.

Following shows the average MPG of each of the 179 vehicles in the system.

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• 2500HD 8.1 CC 4WD

  2003 Chevrolet Silverado 2500 HD LS 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
  Added Feb 2021 • 183 Fuel-ups

  Property of TheDeafGuy

• 10.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Aug 2022 • 30 Fuel-ups

  Property of TylerB135

• 14.9 Avg MPG

• Pick'em Up

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Extended Cab Pickup
  Added Jan 2022 • 97 Fuel-ups

  Property of theithoff

• 10.9 Avg MPG

• 2500hd

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Feb 2020 • 102 Fuel-ups

  Property of 72afr

• 11.1 Avg MPG

• Chevrolet

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 562 Fuel-ups

  Property of rince81

• 10.4 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2021 • 110 Fuel-ups

  Property of 60powerstrocke

• 16.9 Avg MPG

• Duramax

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 319 Fuel-ups

  Property of slo-mo-shun

• 15.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Dec 2022 • 7 Fuel-ups

  Property of Ryyaaannnn

• 13.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Feb 2022 • 37 Fuel-ups

  Property of Snert

• 15.4 Avg MPG

• Duramax

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Apr 2018 • 102 Fuel-ups

  Property of riolenny

• 14.6 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Jul 2022 • 16 Fuel-ups

  Property of rrichard-marshall

• 14.2 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 4 Speed
  Added Mar 2022 • 43 Fuel-ups

  Property of FLDiver

• 15.2 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Manual 6 Speed
  Added Apr 2021 • 20 Fuel-ups

  Property of liljohnny2x4

• 17.6 Avg MPG

• 03 Silverado

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Apr 2017 • 125 Fuel-ups

  Property of madal

• 14.4 Avg MPG

• Greenie

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added May 2020 • 52 Fuel-ups

  Property of CBrubaker

• 17.3 Avg MPG

• Nate's Truck

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic Crew Cab Pickup
  Added Nov 2015 • 140 Fuel-ups

  Property of phyreman

• 14.0 Avg MPG

• Maxine

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2017 • 199 Fuel-ups

  Property of Cummings28

• 12.3 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 CNG Automatic 4 Speed
  Added Jul 2021 • 55 Fuel-ups

  Property of ZachGrant

• 14.2 Avg MPG

• Diesel HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Aug 2020 • 78 Fuel-ups

  Property of roguengineer

• 12.9 Avg MPG

• Chevy 2500HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jun 2018 • 23 Fuel-ups

  Property of moparcar

• 16.7 Avg MPG

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