Based on data from 287 vehicles, 12,499 fuel-ups and 3,363,431 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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• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added May 2019 • 233 Fuel-ups

  Property of jonathanfoxco

• 13.3 Avg MPG

• Duramax Crew Cab

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Nov 2019 • 1 Fuel-up

  Property of PPS1

• 0.0 Avg MPG

• Chad's Truck

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added May 2021 • 1 Fuel-up

  Property of SouthernLawnService

• 0.0 Avg MPG

• Work truck

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Jul 2019 • 77 Fuel-ups

  Property of RobRice18

• 11.0 Avg MPG

• Chevy

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Oct 2017 • 313 Fuel-ups

  Property of Bluemoh

• 11.8 Avg MPG

• White Lightning

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 4 Speed
  Added Aug 2020 • 13 Fuel-ups

  Property of Far12

• 11.5 Avg MPG

• The Firetruck

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 5 Speed
  Added Mar 2017 • 194 Fuel-ups

  Property of CoryHage42

• 10.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Jul 2017 • 79 Fuel-ups

  Property of Durtydetox

• 14.2 Avg MPG

• Truck

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Sep 2019 • 45 Fuel-ups

  Property of wsreavis

• 18.7 Avg MPG

• Maroon Chevy

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Cab & Chassis
  Added Jun 2020 • 5 Fuel-ups

  Property of ConorL

• 12.2 Avg MPG

• Blue Truck

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2020 • 12 Fuel-ups

  Property of ocicorp

• 9.7 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2020 • 9 Fuel-ups

  Property of newvaquero

• 12.9 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Jan 2018 • 185 Fuel-ups

  Property of Gearhead2012

• 17.9 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added Jul 2020 • 29 Fuel-ups

  Property of JeffN79

• 8.6 Avg MPG

• Silverado Duramax 4x4

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Dec 2017 • 26 Fuel-ups

  Property of fredscool

• 12.1 Avg MPG

• Long Truck

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Mar 2018 • 306 Fuel-ups

  Property of neptuneh

• 10.5 Avg MPG

• Chevy Pickup

  2003 Chevrolet Silverado 2500 HD LT 8.1L V8 GAS Automatic 5 Speed
  Added Sep 2016 • 517 Fuel-ups

  Property of JonKvernmo

• 9.4 Avg MPG

• Silverado

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Standard 5 Speed Crew Cab Pickup
  Added May 2018 • 104 Fuel-ups

  Property of jerry3039

• 10.8 Avg MPG

• My Chevy Silverado 2500HD

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 5 Speed
  Added Apr 2017 • 16 Fuel-ups

  Property of jeffbroughton

• 9.0 Avg MPG

• Dylan’s Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Nov 2017 • 51 Fuel-ups

  Property of hockeyvillian

• 15.7 Avg MPG

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