Based on data from 235 vehicles, 13,447 fuel-ups and 3,780,438 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.09 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (30) 4.8L V8 GAS (47) 5.3L V8 FLEX (4) 5.3L V8 GAS (111) 6.0L V8 GAS (7) V6 GAS (2) V8 FLEX (1) V8 GAS (24) Any Body Style Standard Cab Pickup (16) Extended Cab Pickup (52) Cab & Chassis (1) Any Submodel SS (7) WT (8) Base (32) LT (50) LS (106) Other (32)

Below you can see a distribution of the fuel-ups with 550 outliers (3.93%) removed.

Following shows the average MPG of each of the 235 vehicles in the system.

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• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2023 • 22 Fuel-ups

  Property of Tony15

• 16.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2023 • 6 Fuel-ups

  Property of Lukisto

• 14.7 Avg MPG

• Grover

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 5 Speed Extended Cab Pickup
  Added Aug 2020 • 298 Fuel-ups

  Property of Chas1965

• 14.7 Avg MPG

• Silverado - Jessie

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 485 Fuel-ups

  Property of mfermier

• 15.9 Avg MPG

• 03SIL

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2022 • 45 Fuel-ups

  Property of carsonmagic

• 17.0 Avg MPG

• Layla

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2020 • 107 Fuel-ups

  Property of jgarm07

• 13.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 124 Fuel-ups

  Property of 64Monza

• 13.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2023 • 5 Fuel-ups

  Property of keithderek73

• 17.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2023 • 3 Fuel-ups

  Property of Elbert

• 18.3 Avg MPG

• 2003 Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2017 • 63 Fuel-ups

  Property of PNaj

• 14.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2020 • 121 Fuel-ups

  Property of Toreador_Diesel

• 15.0 Avg MPG

• Chevy Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed
  Added Sep 2019 • 87 Fuel-ups

  Property of robertsdfw

• 16.8 Avg MPG

• Silverado 2003

  2003 Chevrolet Silverado 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jun 2019 • 28 Fuel-ups

  Property of metsst274gmailcom

• 16.2 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Dec 2021 • 43 Fuel-ups

  Property of Arde01

• 11.0 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 158 Fuel-ups

  Property of mn250r

• 13.5 Avg MPG

• Chevrolet Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Sep 2019 • 32 Fuel-ups

  Property of B288

• 20.1 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2022 • 33 Fuel-ups

  Property of stanima

• 16.1 Avg MPG

• '03 Silverado 1500

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Apr 2023 • 13 Fuel-ups

  Property of drabadue

• 17.0 Avg MPG

• ChevTruck

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Nov 2017 • 117 Fuel-ups

  Property of milanboyce

• 14.0 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 149 Fuel-ups

  Property of Dlang3737

• 13.5 Avg MPG

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