Based on data from 287 vehicles, 12,490 fuel-ups and 3,360,975 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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• WT baby

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 5 Speed Standard Cab Pickup
  Added Jul 2014 • 22 Fuel-ups

  Property of danapusher

• 17.8 Avg MPG

• My Silverado 2500 HD

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

  Property of wcscrip

• 0.0 Avg MPG

• Duramax

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Standard Cab Pickup
  Added Jul 2013 • 48 Fuel-ups

  Property of hunter289

• 17.2 Avg MPG

• Truck

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Dec 2015 • 22 Fuel-ups

  Property of muffintopman

• 14.3 Avg MPG

• Chevy 2500

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic Crew Cab Pickup
  Added Feb 2016 • 1 Fuel-up

  Property of Slowepoke

• 0.0 Avg MPG

• My Truck

  2003 Chevrolet Silverado 2500 HD GAS V8
  Added May 2013 • 172 Fuel-ups

  Property of Extremecycler182

• 13.1 Avg MPG

• Black Truck

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2017 • 87 Fuel-ups

  Property of kcboydcountry

• 17.7 Avg MPG

• 2003 Silverado 2500 HD

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

  Property of jhoffer

• 17.5 Avg MPG

• My Truck

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 5 Extended Cab Pickup (4 Door)
  Added Jun 2015 • 5 Fuel-ups

  Property of kowin

• 14.2 Avg MPG

• Beast

  2003 Chevrolet Silverado 2500 HD LS 8.1L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Dec 2014 • 17 Fuel-ups

  Property of camireno

• 9.2 Avg MPG

• Silverado 2500HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL
  Added Feb 2013 • 59 Fuel-ups

  Property of hoops3459

• 17.4 Avg MPG

• 03 Silverado

  2003 Chevrolet Silverado 2500 HD DIESEL V8
  Added Aug 2013 • 85 Fuel-ups

  Property of mbkelly0

• 15.8 Avg MPG

• BRODOZR

  2003 Chevrolet Silverado 2500 HD LT 6.6L DIESEL V8 Automatic 5 Crew Cab Pickup (4 Door)
  Added Oct 2014 • 7 Fuel-ups

  Property of TeckJoel

• 14.8 Avg MPG

• Heavy chevy

  2003 Chevrolet Silverado 2500 HD 6.0L GAS V8 Automatic 4 Crew Cab Pickup (4 Door)
  Added Jan 2015 • 3 Fuel-ups

  Property of atrain61993

• 3.0 Avg MPG

• Duramax

  2003 Chevrolet Silverado 2500 HD LS 6.6L DIESEL V8 Automatic 5 Standard Cab Pickup (2 Door)
  Added Jan 2015 • 116 Fuel-ups

  Property of matthew_overmars

• 13.5 Avg MPG

• grey truck

  2003 Chevrolet Silverado 2500 HD
  Added May 2014 • No Fuel-ups

  Property of theoneandonlyscooter

• 0.0 Avg MPG

• 2003 Chevrolet Silverado 2500HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Crew Cab Pickup (4 Door)
  Added Jul 2013 • 59 Fuel-ups

  Property of mealey85

• 14.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 8.1L GAS V8 Automatic 4 Cab & Chassis (4 Door)
  Added Oct 2014 • 1 Fuel-up

  Property of crewcabbum

• 0.0 Avg MPG

• Truck

  2003 Chevrolet Silverado 2500 HD DIESEL V8
  Added Feb 2012 • 25 Fuel-ups

  Property of stpinetree

• 13.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 8.1L GAS V8 Automatic 4 Cab & Chassis (4 Door)
  Added Aug 2014 • 5 Fuel-ups

  Property of locksmith97

• 11.1 Avg MPG

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