Based on data from 287 vehicles, 12,515 fuel-ups and 3,368,834 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 175 outliers (1.38%) removed.

Following shows the average MPG of each of the 287 vehicles in the system.

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• Darla

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Aug 2016 • 20 Fuel-ups

  Property of Camg27

• 17.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Apr 2017 • 3 Fuel-ups

  Property of kaily

• 13.6 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 8.1L V8 GAS Standard 6 Speed
  Added May 2017 • 1 Fuel-up

  Property of meek

• 0.0 Avg MPG

• Silverado Duramax 2x4

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Nov 2017 • 1 Fuel-up

  Property of fredscool

• 0.0 Avg MPG

• 2003 Silverado

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 35 Fuel-ups

  Property of cul8rv8

• 15.1 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 4 Speed
  Added Feb 2017 • 6 Fuel-ups

  Property of Zburt88

• 6.3 Avg MPG

• Chevy duramax

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Mar 2017 • 55 Fuel-ups

  Property of johno51

• 16.5 Avg MPG

• My Silverado 2500 HD

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

  Property of shaunmlavery

• 17.1 Avg MPG

• Heavy Chevy

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Nov 2015 • 10 Fuel-ups

  Property of Autobahn5

• 12.4 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Jan 2017 • 1 Fuel-up

  Property of Tizzony

• 0.0 Avg MPG

• dirtygirl

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Aug 2013 • 51 Fuel-ups

  Property of mijdirtyjeep

• 17.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Nov 2016 • 1 Fuel-up

  Property of Heath_Houston

• 0.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 8.1L V8 GAS Standard 6 Speed Crew Cab Pickup
  Added Apr 2017 • 41 Fuel-ups

  Property of schukovac

• 9.7 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Oct 2015 • 9 Fuel-ups

  Property of megamiler1

• 17.2 Avg MPG

• #WorkTruck

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 4 Speed
  Added May 2016 • 10 Fuel-ups

  Property of dennisp2938

• 6.2 Avg MPG

• 2003 chevy 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 5 Speed
  Added Sep 2016 • 6 Fuel-ups

  Property of santos919

• 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 Oct 2015 • 40 Fuel-ups

  Property of RENDO

• 15.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 4 Speed
  Added Aug 2016 • 1 Fuel-up

  Property of anferneegrier

• 0.0 Avg MPG

• Pops

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Mar 2016 • 4 Fuel-ups

  Property of bigtreat00

• 13.9 Avg MPG

• BiRT

  2003 Chevrolet Silverado 2500 HD 6.6L DIESEL V8 Automatic 4 Crew Cab Pickup (4 Door)
  Added May 2014 • 40 Fuel-ups

  Property of hykkonen

• 17.4 Avg MPG

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