Based on data from 242 vehicles, 14,269 fuel-ups and 4,015,477 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.14 with a 0.04 MPG margin of error.

Any Engine Type 4.3L V6 GAS (30) 4.8L V8 GAS (51) 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 (50) Cab & Chassis (1) Extended Crew Cab Pickup (1) Any Submodel SS (7) WT (8) Base (34) LT (50) LS (111) Other (32)

Below you can see a distribution of the fuel-ups with 533 outliers (3.60%) removed.

Following shows the average MPG of each of the 242 vehicles in the system.

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• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2020 • 53 Fuel-ups

  Property of brocker789

• 14.1 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

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

  Property of Tony15

• 15.7 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

• Truck

  2003 Chevrolet Silverado 1500 LS
  Added Jan 2025 • 19 Fuel-ups

  Property of DHARNDEN

• 12.5 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

• 03 Chevy PU

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2020 • 83 Fuel-ups

  Property of Thomas3rd

• 11.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2023 • 34 Fuel-ups

  Property of chevypride2020

• 15.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.3L V6 GAS Automatic 4 Speed
  Added Sep 2023 • 8 Fuel-ups

  Property of Elbert

• 18.1 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 8 Fuel-ups

  Property of yamaha_cj

• 13.8 Avg MPG

• Oscar

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 24 Fuel-ups

  Property of BigDemps3

• 16.6 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

• SS

  2003 Chevrolet Silverado 1500 SS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2018 • 102 Fuel-ups

  Property of tycobb280

• 13.4 Avg MPG

• Silverado

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

  Property of jkperron

• 12.2 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 Extended Cab Pickup
  Added Oct 2017 • 311 Fuel-ups

  Property of CAHayes1109

• 13.0 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

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