Based on data from 237 vehicles, 14,035 fuel-ups and 3,952,564 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.14 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (30) 4.8L V8 GAS (50) 5.3L V8 FLEX (4) 5.3L V8 GAS (110) 6.0L V8 GAS (7) V6 GAS (2) V8 FLEX (1) V8 GAS (24) Any Body Style Standard Cab Pickup (17) Extended Cab Pickup (50) Cab & Chassis (1) Any Submodel SS (7) WT (8) Base (32) LT (49) LS (109) Other (32)

Below you can see a distribution of the fuel-ups with 517 outliers (3.55%) removed.

Following shows the average MPG of each of the 237 vehicles in the system.

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• 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

• Chevy silverado

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 182 Fuel-ups

  Property of sebeno

• 17.0 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 17 Fuel-ups

  Property of chrisnjr01

• 12.9 Avg MPG

• Truckin'

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2014 • 148 Fuel-ups

  Property of Down2fumes

• 13.6 Avg MPG

• Chevy

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 266 Fuel-ups

  Property of delarcorp

• 13.9 Avg MPG

• Chevy Truck

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2015 • 113 Fuel-ups

  Property of kingleonidasll

• 12.5 Avg MPG

• 1/2 Ton

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic
  Added Nov 2018 • 53 Fuel-ups

  Property of 913YFZR

• 15.3 Avg MPG

• 2003 Chevy K1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 300 Fuel-ups

  Property of bohsvisuals

• 14.1 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2020 • 10 Fuel-ups

  Property of bjm111

• 13.0 Avg MPG

• 2003 Silverado

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed Standard Cab Pickup
  Added Nov 2020 • 16 Fuel-ups

  Property of tdijsw

• 15.2 Avg MPG

• Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2021 • 10 Fuel-ups

  Property of lorledez

• 14.4 Avg MPG

• Old 4.8

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added May 2021 • 12 Fuel-ups

  Property of _caleb_patterson

• 16.4 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Manual 5 Speed Standard Cab Pickup
  Added May 2021 • 60 Fuel-ups

  Property of easyandy

• 16.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added May 2018 • 31 Fuel-ups

  Property of Karl247

• 14.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed
  Added Apr 2021 • 3 Fuel-ups

  Property of mcquse21

• 18.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2020 • 169 Fuel-ups

  Property of robert2001

• 14.0 Avg MPG

• My Silverado 1500

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

  Property of Jelen

• 13.8 Avg MPG

• The Green Lantern

  2003 Chevrolet Silverado 1500 WT 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2021 • 5 Fuel-ups

  Property of beemersworld

• 11.3 Avg MPG

• Red Silverado

  2003 Chevrolet Silverado 1500 GAS V8
  Added Jan 2014 • 47 Fuel-ups

  Property of Lerew

• 12.6 Avg MPG

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