Based on data from 287 vehicles, 12,497 fuel-ups and 3,362,894 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 (6) 6.0L V8 GAS (70) 6.6L V8 DIESEL (153) 8.1L V8 GAS (15) GAS (1) V8 BI-FUEL (1) V8 CNG (1) V8 DIESEL (23) V8 GAS (9) Any Body Style Standard Cab Pickup (7) Extended Cab Pickup (23) Crew Cab Pickup (45) Cab & Chassis (1) Extended Crew Cab Pickup (1) Any Submodel WT (4) Base (34) LT (101) LS (108) Other (40)

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 287 vehicles in the system.

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• Chevy

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Aug 2016 • 213 Fuel-ups

  Property of c_dub27

• 16.5 Avg MPG

• Blue

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Dec 2014 • 74 Fuel-ups

  Property of moose09876

• 15.5 Avg MPG

• Chevy 2500

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 266 Fuel-ups

  Property of darilth

• 16.5 Avg MPG

• 03 Silverado 2500HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 512 Fuel-ups

  Property of idralig

• 16.5 Avg MPG

• 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jan 2016 • 61 Fuel-ups

  Property of avarageerod

• 13.3 Avg MPG

• Dan Truck

  2003 Chevrolet Silverado 2500 HD LS 8.1L V8 GAS Automatic 5 Speed
  Added Sep 2017 • 181 Fuel-ups

  Property of dbraden

• 9.7 Avg MPG

• Silverado 2500HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 176 Fuel-ups

  Property of CliffS

• 17.0 Avg MPG

• 2003 Silverado

  2003 Chevrolet Silverado 2500 HD LS
  Added Sep 2021 • 89 Fuel-ups

  Property of DEstes

• 10.9 Avg MPG

• 03 2500HD

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

  Property of Denlspe

• 17.4 Avg MPG

• snapply

  2003 Chevrolet Silverado 2500 HD LT 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
  Added Jul 2018 • 1 Fuel-up

  Property of calstar

• 0.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2017 • 27 Fuel-ups

  Property of rzrscubasteve03

• 14.3 Avg MPG

• Truck

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 10 Fuel-ups

  Property of Billc66

• 39.8 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added May 2018 • 2 Fuel-ups

  Property of joshalford2003

• 10.3 Avg MPG

• 03 Chev 2500

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

  Property of Benjaco

• 16.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added May 2017 • 42 Fuel-ups

  Property of VoodooGT

• 16.2 Avg MPG

• 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

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