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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• ChevTruck

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Nov 2017 • 130 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 Mar 2024 • 7 Fuel-ups

  Property of yamaha_cj

• 13.7 Avg MPG

• Silverado 2003

  2003 Chevrolet Silverado 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jun 2019 • 45 Fuel-ups

  Property of metsst274gmailcom

• 15.7 Avg MPG

• Silverado - Jessie

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 514 Fuel-ups

  Property of mfermier

• 15.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 162 Fuel-ups

  Property of Dlang3737

• 13.8 Avg MPG

• My Silverado 1500

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

  Property of chevypride2020

• 15.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Apr 2024 • 4 Fuel-ups

  Property of Tubb

• 17.1 Avg MPG

• '03 Silverado 1500

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Apr 2023 • 18 Fuel-ups

  Property of drabadue

• 16.8 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS
  Added Dec 2019 • 65 Fuel-ups

  Property of dwmoses

• 16.5 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 179 Fuel-ups

  Property of mn250r

• 13.4 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 68 Fuel-ups

  Property of big_ref_truck

• 13.5 Avg MPG

• Layla

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2020 • 120 Fuel-ups

  Property of jgarm07

• 13.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2020 • 45 Fuel-ups

  Property of brocker789

• 14.0 Avg MPG

• Grover

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 5 Speed Extended Cab Pickup
  Added Aug 2020 • 365 Fuel-ups

  Property of Chas1965

• 14.7 Avg MPG

• My Silverado 2003

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 107 Fuel-ups

  Property of keenwyatt

• 16.2 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Dec 2021 • 54 Fuel-ups

  Property of Arde01

• 11.2 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2022 • 53 Fuel-ups

  Property of stanima

• 16.3 Avg MPG

• Chevy Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed
  Added Sep 2019 • 109 Fuel-ups

  Property of robertsdfw

• 16.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 7 Fuel-ups

  Property of chevyboy2232

• 16.2 Avg MPG

• Champagne Silverado

  2003 Chevrolet Silverado 1500 4.3L GAS V6 Automatic 4 Extended Cab Pickup (4 Door)
  Added May 2015 • 22 Fuel-ups

  Property of retrostarscream

• 13.0 Avg MPG

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