Based on data from 36 vehicles, 3,938 fuel-ups and 886,556 miles of driving, the 2003 Chevrolet Silverado 1500 HD gets a combined Avg MPG of 11.77 with a 0.06 MPG margin of error.

Any Engine Type 6.0L V8 GAS (33) V8 GAS (3) Any Body Style Crew Cab Pickup (13) Any Submodel LT (14) LS (19) Other (3)

Below you can see a distribution of the fuel-ups with 138 outliers (3.39%) removed.

Following shows the average MPG of each of the 36 vehicles in the system.

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• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Jul 2017 • 459 Fuel-ups

  Property of jamck

• 10.5 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Apr 2021 • 101 Fuel-ups

  Property of rootkyl1

• 12.6 Avg MPG

• 2003 Chevy Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Apr 2018 • 700 Fuel-ups

  Property of jasman010

• 12.2 Avg MPG

• Chevrolet Silverado 1500HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 670 Fuel-ups

  Property of tearley

• 13.5 Avg MPG

• 2003 1500 HD

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Jul 2023 • 36 Fuel-ups

  Property of ThatGuyCody

• 10.1 Avg MPG

• Quadrasteer HD

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Nov 2018 • 241 Fuel-ups

  Property of Harzley

• 10.9 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Nov 2016 • 17 Fuel-ups

  Property of chutzler

• 11.0 Avg MPG

• Big Red Truck

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Dec 2018 • 103 Fuel-ups

  Property of adz55

• 11.1 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 102 Fuel-ups

  Property of Patterman

• 13.4 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Oct 2019 • 124 Fuel-ups

  Property of blackbeauty89

• 9.9 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added Nov 2022 • 11 Fuel-ups

  Property of jdbowman15

• 11.0 Avg MPG

• Martin

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Mar 2023 • 10 Fuel-ups

  Property of MigPaq

• 10.7 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Jan 2023 • 5 Fuel-ups

  Property of Williamson

• 9.6 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Jul 2022 • 19 Fuel-ups

  Property of arharden

• 10.4 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Oct 2016 • 158 Fuel-ups

  Property of rrwhicker

• 11.8 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added Feb 2017 • 177 Fuel-ups

  Property of qwodracer

• 11.0 Avg MPG

• 1500hd

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Sep 2019 • 206 Fuel-ups

  Property of gdgreenfield

• 12.2 Avg MPG

• 2003 Chevy 1500HD

  2003 Chevrolet Silverado 1500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added May 2017 • 161 Fuel-ups

  Property of tablazer

• 10.8 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 114 Fuel-ups

  Property of qwolff

• 10.4 Avg MPG

• My Silverado 1500 HD

  2003 Chevrolet Silverado 1500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added May 2020 • 31 Fuel-ups

  Property of mikeg51

• 8.1 Avg MPG

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