Based on data from 200 vehicles, 10,842 fuel-ups and 3,084,044 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.03 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (27) 4.8L V8 GAS (40) 5.3L V8 FLEX (1) 5.3L V8 GAS (90) 6.0L V8 GAS (6) V6 GAS (2) V8 FLEX (1) V8 GAS (24) Any Body Style Standard Cab Pickup (12) Extended Cab Pickup (45) Cab & Chassis (1) Any Submodel SS (6) WT (6) Base (24) LT (42) LS (90) Other (32)

Below you can see a distribution of the fuel-ups with 528 outliers (4.64%) removed.

Following shows the average MPG of each of the 200 vehicles in the system.

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• Truckin'

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2014 • 138 Fuel-ups

  Property of Down2fumes

• 13.4 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2020 • 19 Fuel-ups

  Property of rjisler

• 14.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2020 • 104 Fuel-ups

  Property of robert2001

• 15.3 Avg MPG

• 1/2 Ton

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic
  Added Nov 2018 • 34 Fuel-ups

  Property of 913YFZR

• 15.2 Avg MPG

• D Campbell

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2017 • 292 Fuel-ups

  Property of dcampbell9253

• 10.1 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2019 • 16 Fuel-ups

  Property of Tracelong

• 14.2 Avg MPG

• Silvi

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2018 • 262 Fuel-ups

  Property of moeb72

• 14.2 Avg MPG

• Squeaky

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Cab & Chassis
  Added Aug 2018 • 124 Fuel-ups

  Property of Megaputz

• 11.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2020 • 3 Fuel-ups

  Property of kdog24

• 14.0 Avg MPG

• 2003 Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2020 • 53 Fuel-ups

  Property of Bryce3889

• 12.1 Avg MPG

• Chevy Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed
  Added Sep 2019 • 15 Fuel-ups

  Property of robertsdfw

• 15.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2020 • 29 Fuel-ups

  Property of Jelen

• 14.4 Avg MPG

• Chevy Truck

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2015 • 67 Fuel-ups

  Property of kingleonidasll

• 12.5 Avg MPG

• Alice

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added May 2018 • 407 Fuel-ups

  Property of cmurphy482

• 16.3 Avg MPG

• The Black Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 240 Fuel-ups

  Property of mvf209

• 14.9 Avg MPG

• Chevy

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 209 Fuel-ups

  Property of shark106

• 13.0 Avg MPG

• '03 Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Feb 2016 • 156 Fuel-ups

  Property of natsirt

• 15.8 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 118 Fuel-ups

  Property of tucker32100

• 13.7 Avg MPG

• SS

  2003 Chevrolet Silverado 1500 SS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2018 • 89 Fuel-ups

  Property of tycobb280

• 13.5 Avg MPG

• 2003 Chevy K1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 268 Fuel-ups

  Property of bohsvisuals

• 14.0 Avg MPG

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