Based on data from 238 vehicles, 13,707 fuel-ups and 3,859,051 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.11 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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• Silverado

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 116 Fuel-ups

  Property of duke7211

• 13.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2023 • 16 Fuel-ups

  Property of keithderek73

• 14.9 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 23 Fuel-ups

  Property of mmcclain69

• 23.5 Avg MPG

• 2003 Silverado

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2011 • 97 Fuel-ups

  Property of AZfocus

• 13.0 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Apr 2020 • 11 Fuel-ups

  Property of tryan30

• 15.8 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 311 Fuel-ups

  Property of CAHayes1109

• 13.0 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2023 • 41 Fuel-ups

  Property of Tony15

• 15.9 Avg MPG

• Okies Quadrasteer Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2023 • 3 Fuel-ups

  Property of Okiesan

• 14.0 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2019 • 91 Fuel-ups

  Property of Altimator

• 15.1 Avg MPG

• Silverado SS

  2003 Chevrolet Silverado 1500 SS 6.0L V8 GAS Automatic 4 Speed
  Added May 2017 • 101 Fuel-ups

  Property of Tommygunz

• 10.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2021 • 25 Fuel-ups

  Property of AMORENOIII

• 14.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Jan 2022 • 42 Fuel-ups

  Property of gunnarcollet

• 10.3 Avg MPG

• 2003 Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2017 • 64 Fuel-ups

  Property of PNaj

• 14.4 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

• 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

• My Silverado 1500

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

  Property of Lukisto

• 14.4 Avg MPG

• Alice

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added May 2018 • 442 Fuel-ups

  Property of cmurphy482

• 16.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 51 Fuel-ups

  Property of jnewton152

• 16.8 Avg MPG

• Snow White

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2023 • 30 Fuel-ups

  Property of hershy314

• 15.2 Avg MPG

• 2003 Silverado K1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jun 2022 • 39 Fuel-ups

  Property of jgardner

• 14.1 Avg MPG

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