Based on data from 231 vehicles, 13,488 fuel-ups and 3,787,034 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.02 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (29) 4.8L V8 GAS (46) 5.3L V8 FLEX (4) 5.3L V8 GAS (109) 6.0L V8 GAS (7) V6 GAS (2) V8 FLEX (1) V8 GAS (24) Any Body Style Standard Cab Pickup (15) Extended Cab Pickup (53) Cab & Chassis (1) Any Submodel SS (7) WT (8) Base (31) LT (48) LS (105) Other (32)

Below you can see a distribution of the fuel-ups with 665 outliers (4.70%) removed.

Following shows the average MPG of each of the 231 vehicles in the system.

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• Grover

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 5 Speed Extended Cab Pickup
  Added Aug 2020 • 227 Fuel-ups

  Property of Chas1965

• 14.6 Avg MPG

• My Silverado 2003

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 86 Fuel-ups

  Property of keenwyatt

• 16.3 Avg MPG

• Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 144 Fuel-ups

  Property of sjefferies

• 12.8 Avg MPG

• 2003 Silverado K1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jun 2022 • 25 Fuel-ups

  Property of jgardner

• 16.1 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 103 Fuel-ups

  Property of Dlang3737

• 13.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2023 • 8 Fuel-ups

  Property of Lukisto

• 13.1 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2022 • 16 Fuel-ups

  Property of stanima

• 15.7 Avg MPG

• ChevTruck

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Nov 2017 • 110 Fuel-ups

  Property of milanboyce

• 13.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 110 Fuel-ups

  Property of 64Monza

• 13.6 Avg MPG

• Chevy Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed
  Added Sep 2019 • 75 Fuel-ups

  Property of robertsdfw

• 16.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 33 Fuel-ups

  Property of jnewton152

• 16.5 Avg MPG

• Snow White

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2023 • 16 Fuel-ups

  Property of hershy314

• 15.1 Avg MPG

• 2003 Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2020 • 213 Fuel-ups

  Property of Bryce3889

• 12.8 Avg MPG

• Silverado - Jessie

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 456 Fuel-ups

  Property of mfermier

• 15.9 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Dec 2021 • 30 Fuel-ups

  Property of Arde01

• 11.0 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2018 • 58 Fuel-ups

  Property of robertsjm711

• 14.6 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 147 Fuel-ups

  Property of mn250r

• 13.5 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS
  Added Dec 2019 • 57 Fuel-ups

  Property of dwmoses

• 15.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2020 • 89 Fuel-ups

  Property of rjisler

• 15.5 Avg MPG

• 03SIL

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2022 • 29 Fuel-ups

  Property of carsonmagic

• 16.9 Avg MPG

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