Based on data from 238 vehicles, 13,704 fuel-ups and 3,857,935 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.10 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (30) 4.8L V8 GAS (49) 5.3L V8 FLEX (4) 5.3L V8 GAS (112) 6.0L V8 GAS (7) V6 GAS (2) V8 FLEX (1) V8 GAS (24) Any Body Style Standard Cab Pickup (17) Extended Cab Pickup (51) Cab & Chassis (1) Any Submodel SS (7) WT (8) Base (32) LT (50) LS (109) Other (32)

Below you can see a distribution of the fuel-ups with 526 outliers (3.70%) removed.

Following shows the average MPG of each of the 238 vehicles in the system.

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• Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 150 Fuel-ups

  Property of sjefferies

• 12.8 Avg MPG

• Ole Blue

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 171 Fuel-ups

  Property of BowManGuardian

• 13.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2022 • 7 Fuel-ups

  Property of Peetah7117

• 14.1 Avg MPG

• JRODS Chevy Silvera

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2017 • 364 Fuel-ups

  Property of jjrod11292003

• 14.0 Avg MPG

• Chevy

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 260 Fuel-ups

  Property of shark106

• 12.8 Avg MPG

• Gray Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2016 • 172 Fuel-ups

  Property of salf

• 16.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 74 Fuel-ups

  Property of Noahrost

• 13.6 Avg MPG

• Shitruck

  2003 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2022 • 15 Fuel-ups

  Property of 780farva

• 15.0 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 111 Fuel-ups

  Property of kennyr

• 10.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2022 • 4 Fuel-ups

  Property of kingofcredit

• 13.2 Avg MPG

• Squeaky

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Cab & Chassis
  Added Aug 2018 • 296 Fuel-ups

  Property of Megaputz

• 12.4 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2022 • 8 Fuel-ups

  Property of tom86

• 13.9 Avg MPG

• '03 Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Feb 2016 • 189 Fuel-ups

  Property of natsirt

• 15.9 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS
  Added Feb 2011 • 255 Fuel-ups

  Property of avarageerod

• 14.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 SS 6.0L V8 GAS Automatic 4 Speed
  Added May 2021 • 18 Fuel-ups

  Property of baker428

• 9.4 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Aug 2021 • 139 Fuel-ups

  Property of mdavisgeo

• 16.0 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2021 • 94 Fuel-ups

  Property of jlenart

• 14.6 Avg MPG

• 2003 Chevy Silverado 1500W

  2003 Chevrolet Silverado 1500 WT 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Oct 2019 • 32 Fuel-ups

  Property of rccooke

• 12.6 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2017 • 33 Fuel-ups

  Property of tscottj

• 15.6 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 63 Fuel-ups

  Property of mrmiyagiaz

• 12.4 Avg MPG

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