Based on data from 184 vehicles, 12,494 fuel-ups and 3,362,230 miles of driving, the 2003 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.67 with a 0.07 MPG margin of error.

Any Engine Type 6.0L V8 CNG (3) 6.0L V8 GAS (54) 6.6L V8 DIESEL (97) 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 (26) LT (63) LS (74) Other (17)

Below you can see a distribution of the fuel-ups with 174 outliers (1.37%) removed.

Following shows the average MPG of each of the 184 vehicles in the system.

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• Silverado 2003

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added May 2019 • 249 Fuel-ups

  Property of wolframt

• 10.7 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2018 • 4 Fuel-ups

  Property of sccdirtymax

• 15.5 Avg MPG

• Old Man II

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2017 • 34 Fuel-ups

  Property of petersonmaine

• 12.9 Avg MPG

• Work Truck

  2003 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 5 Speed
  Added Oct 2017 • 3 Fuel-ups

  Property of jessechappy

• 12.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.0L V8 CNG Automatic 4 Speed
  Added Oct 2017 • 6 Fuel-ups

  Property of Sumter

• 7.7 Avg MPG

• Midnight

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Mar 2017 • 43 Fuel-ups

  Property of Ngiles79

• 13.8 Avg MPG

• My Silverado

  2003 Chevrolet Silverado 2500 HD LT 6.6L DIESEL V8 Automatic 5
  Added Apr 2015 • 104 Fuel-ups

  Property of Apnic

• 16.4 Avg MPG

• Truck

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Nov 2017 • 16 Fuel-ups

  Property of ironbob

• 17.0 Avg MPG

• The Chevy

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Aug 2017 • 12 Fuel-ups

  Property of eyezlee

• 15.9 Avg MPG

• Jay

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 74 Fuel-ups

  Property of jayadams

• 14.5 Avg MPG

• 2003 Chevy 2500

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 5 Speed Crew Cab Pickup
  Added Dec 2015 • 88 Fuel-ups

  Property of Lucan89

• 12.3 Avg MPG

• 2500 silverado

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 24 Fuel-ups

  Property of 82mrch

• 11.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2017 • 11 Fuel-ups

  Property of TH43445

• 14.1 Avg MPG

• 2003 Duramax

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Crew Cab Pickup
  Added Aug 2016 • 13 Fuel-ups

  Property of yrewolkaz

• 15.3 Avg MPG

• Diesel Howard

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Dec 2016 • 10 Fuel-ups

  Property of ladon47

• 18.4 Avg MPG

• Duramax

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 4 Speed
  Added Apr 2017 • 120 Fuel-ups

  Property of Shadowcc

• 16.7 Avg MPG

• Silverado 2500HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Oct 2012 • 131 Fuel-ups

  Property of beltbuckle

• 14.7 Avg MPG

• LB7

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 13 Fuel-ups

  Property of MikeGes

• 14.0 Avg MPG

• 03 Dirty

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2017 • 7 Fuel-ups

  Property of Drowe218

• 13.8 Avg MPG

• Cassidy Klements

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 74 Fuel-ups

  Property of cklements

• 15.4 Avg MPG

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