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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• 81

  2003 Chevrolet Silverado 2500 HD LS 8.1L V8 GAS Automatic 5 Speed Crew Cab Pickup
  Added Jul 2020 • 96 Fuel-ups

  Property of bsneed

• 12.0 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Jun 2018 • 53 Fuel-ups

  Property of baconga

• 13.5 Avg MPG

• Pickup

  2003 Chevrolet Silverado 2500 HD LT
  Added Apr 2022 • 150 Fuel-ups

  Property of bqsburb

• 16.1 Avg MPG

• 2003 Chevy 2500 HD

  2003 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 5 Speed
  Added Sep 2021 • 15 Fuel-ups

  Property of kacey

• 9.5 Avg MPG

• Clyde

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Jan 2018 • 159 Fuel-ups

  Property of tquinn357

• 9.5 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 4 Speed
  Added Feb 2022 • 17 Fuel-ups

  Property of jayM3

• 10.2 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 10 Fuel-ups

  Property of davidm2013

• 9.7 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed
  Added Nov 2016 • 87 Fuel-ups

  Property of TriTdi

• 16.0 Avg MPG

• Silverado

  2003 Chevrolet Silverado 2500 HD 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Mar 2021 • 22 Fuel-ups

  Property of Jmsun

• 12.4 Avg MPG

• Old Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed
  Added May 2015 • 201 Fuel-ups

  Property of wickham88

• 16.4 Avg MPG

• Silverado 2500HD

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 5 Speed Crew Cab Pickup
  Added Mar 2021 • 454 Fuel-ups

  Property of Temuba

• 13.3 Avg MPG

• Chevrolet Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2020 • 9 Fuel-ups

  Property of kworrell

• 11.2 Avg MPG

• Silverado

  2003 Chevrolet Silverado 2500 HD LT 8.1L V8 GAS Automatic 5 Speed
  Added Sep 2017 • 28 Fuel-ups

  Property of roadsterbum

• 8.8 Avg MPG

• Duramax

  2003 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Nov 2020 • 19 Fuel-ups

  Property of Klewis

• 13.1 Avg MPG

• 03 duramax

  2003 Chevrolet Silverado 2500 HD LT 6.6L DIESEL V8 Crew Cab Pickup (4 Door)
  Added May 2015 • 93 Fuel-ups

  Property of russman27

• 11.9 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 5 Speed
  Added Apr 2020 • 16 Fuel-ups

  Property of Bill16

• 10.1 Avg MPG

• Big White

  2003 Chevrolet Silverado 2500 HD LS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2021 • 8 Fuel-ups

  Property of daverbmxer

• 10.4 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed
  Added Jun 2021 • 15 Fuel-ups

  Property of basscowboy

• 8.9 Avg MPG

• My Silverado 2500 HD

  2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL Automatic 5 Speed
  Added Dec 2020 • 42 Fuel-ups

  Property of Justindhevey

• 18.3 Avg MPG

• Duramax

  2003 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Apr 2012 • 63 Fuel-ups

  Property of Stizo79

• 17.5 Avg MPG

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