Based on data from 187 vehicles, 12,445 fuel-ups and 3,362,865 miles of driving, the 2003 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.69 with a 0.08 MPG margin of error.

Any Engine Type 6.0L V8 CNG (3) 6.0L V8 GAS (54) 6.6L V8 DIESEL (100) 8.1L V8 GAS (11) V8 DIESEL (13) V8 GAS (3) Any Body Style Standard Cab Pickup (4) Extended Cab Pickup (21) Crew Cab Pickup (31) Cab & Chassis (1) Extended Crew Cab Pickup (1) Any Submodel WT (4) Base (28) LT (63) LS (75) Other (17)

Below you can see a distribution of the fuel-ups with 177 outliers (1.40%) removed.

Following shows the average MPG of each of the 187 vehicles in the system.

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• Duramax

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 351 Fuel-ups

  Property of slo-mo-shun

• 14.9 Avg MPG

• 2500HD 8.1 CC 4WD

  2003 Chevrolet Silverado 2500 HD LS 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
  Added Feb 2021 • 270 Fuel-ups

  Property of TheDeafGuy

• 10.1 Avg MPG

• SILVERADO

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2017 • 230 Fuel-ups

  Property of bjmauro

• 14.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 CNG Automatic 4 Speed
  Added Jul 2021 • 97 Fuel-ups

  Property of ZachGrant

• 13.9 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Manual 6 Speed
  Added Apr 2021 • 35 Fuel-ups

  Property of liljohnny2x4

• 17.6 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 4 Speed
  Added Aug 2024 • 9 Fuel-ups

  Property of Jerry2_

• 14.9 Avg MPG

• Maxine

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2017 • 223 Fuel-ups

  Property of Cummings28

• 12.3 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 4 Speed
  Added Jan 2023 • 119 Fuel-ups

  Property of Henkins03

• 14.1 Avg MPG

• Silverado

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic Crew Cab Pickup
  Added Jun 2020 • 303 Fuel-ups

  Property of wetdiver

• 9.7 Avg MPG

• 2003 Chevrolet 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Oct 2019 • 110 Fuel-ups

  Property of jfallon

• 10.6 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Dec 2022 • 27 Fuel-ups

  Property of Ryyaaannnn

• 13.1 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2024 • 18 Fuel-ups

  Property of chevys

• 17.3 Avg MPG

• Diesel HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Aug 2020 • 104 Fuel-ups

  Property of roguengineer

• 14.3 Avg MPG

• Heavy Duty

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS
  Added Oct 2023 • 6 Fuel-ups

  Property of jkf243

• 10.3 Avg MPG

• Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2020 • 53 Fuel-ups

  Property of MHB1962

• 10.8 Avg MPG

• Silverado 2500 HD

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

  Property of dpfaulk

• 15.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Standard 6 Speed
  Added Aug 2017 • 39 Fuel-ups

  Property of tody25

• 8.8 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 5 Speed
  Added Jan 2024 • 26 Fuel-ups

  Property of thatguy12

• 9.8 Avg MPG

• Chevy

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Apr 2018 • 137 Fuel-ups

  Property of alaskanflyboy

• 15.5 Avg MPG

• Big White

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2021 • 27 Fuel-ups

  Property of daverbmxer

• 10.5 Avg MPG

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