Based on data from 184 vehicles, 12,487 fuel-ups and 3,360,311 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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• 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

• Chevy Truck

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Apr 2018 • 13 Fuel-ups

  Property of jlachuber

• 11.4 Avg MPG

• Silverado Old

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Apr 2018 • 117 Fuel-ups

  Property of wetdiver

• 10.3 Avg MPG

• 03 2500HD

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 49 Fuel-ups

  Property of t1xj

• 11.9 Avg MPG

• Sammy

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 CNG Automatic 4 Speed
  Added Sep 2019 • 15 Fuel-ups

  Property of pilotchuckles

• 12.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 5 Speed
  Added Oct 2018 • 52 Fuel-ups

  Property of kirrb174

• 12.9 Avg MPG

• Silverado

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2019 • 46 Fuel-ups

  Property of CAK14

• 10.2 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jan 2019 • 41 Fuel-ups

  Property of hunter289

• 15.3 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Dec 2017 • 100 Fuel-ups

  Property of franko98

• 12.8 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 4 Speed
  Added Sep 2019 • 11 Fuel-ups

  Property of b5995907

• 16.5 Avg MPG

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