Based on data from 237 vehicles, 14,027 fuel-ups and 3,950,496 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 516 outliers (3.55%) removed.

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

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• CHEVY Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2019 • 68 Fuel-ups

  Property of jrnickell

• 11.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 11 Fuel-ups

  Property of Unstable1452

• 12.6 Avg MPG

• kevin

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2022 • 7 Fuel-ups

  Property of pmdwashere

• 14.7 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 120 Fuel-ups

  Property of duke7211

• 13.8 Avg MPG

• Big Red

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2015 • 45 Fuel-ups

  Property of Calel99

• 15.8 Avg MPG

• Grover

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 5 Speed Extended Cab Pickup
  Added Aug 2020 • 417 Fuel-ups

  Property of Chas1965

• 14.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2023 • 31 Fuel-ups

  Property of Lukisto

• 14.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 185 Fuel-ups

  Property of Dlang3737

• 14.1 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2019 • 89 Fuel-ups

  Property of calebwaite

• 15.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2018 • 73 Fuel-ups

  Property of robertsjm711

• 14.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2021 • 67 Fuel-ups

  Property of OldBenz

• 15.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2022 • 14 Fuel-ups

  Property of Peetah7117

• 14.4 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS
  Added Dec 2019 • 68 Fuel-ups

  Property of dwmoses

• 16.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2023 • 46 Fuel-ups

  Property of Tony15

• 15.7 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Dec 2021 • 64 Fuel-ups

  Property of Arde01

• 11.2 Avg MPG

• 2003 Silverado K1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jun 2022 • 40 Fuel-ups

  Property of jgardner

• 14.1 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2019 • 98 Fuel-ups

  Property of Altimator

• 15.1 Avg MPG

• Okies Quadrasteer Truck

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

  Property of Okiesan

• 8.9 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Aug 2021 • 140 Fuel-ups

  Property of mdavisgeo

• 16.0 Avg MPG

• Chevrolet Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Sep 2019 • 41 Fuel-ups

  Property of B288

• 19.8 Avg MPG

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