Based on data from 243 vehicles, 14,318 fuel-ups and 4,028,894 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 (113) 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 (51) LS (111) Other (32)

Below you can see a distribution of the fuel-ups with 536 outliers (3.61%) removed.

Following shows the average MPG of each of the 243 vehicles in the system.

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• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2022 • 73 Fuel-ups

  Property of stanima

• 16.4 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 198 Fuel-ups

  Property of Dlang3737

• 14.1 Avg MPG

• Chevy Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed
  Added Sep 2019 • 151 Fuel-ups

  Property of robertsdfw

• 17.0 Avg MPG

• Silverado 2003

  2003 Chevrolet Silverado 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jun 2019 • 72 Fuel-ups

  Property of metsst274gmailcom

• 16.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2025 • 4 Fuel-ups

  Property of MxRacer190

• 15.6 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2019 • 95 Fuel-ups

  Property of calebwaite

• 16.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 107 Fuel-ups

  Property of big_ref_truck

• 13.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2021 • 69 Fuel-ups

  Property of OldBenz

• 15.7 Avg MPG

• Chevrolet Silverado 1500

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Crew Cab Pickup
  Added Jan 2025 • 18 Fuel-ups

  Property of dee21601

• 15.1 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2018 • 78 Fuel-ups

  Property of robertsjm711

• 14.6 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

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 38 Fuel-ups

  Property of chevyboy2232

• 15.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2023 • 35 Fuel-ups

  Property of Lukisto

• 14.6 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 212 Fuel-ups

  Property of mn250r

• 13.6 Avg MPG

• Quadrasteer

  2003 Chevrolet Silverado 1500 LT 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Dec 2010 • 236 Fuel-ups

  Property of blizazer

• 14.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2022 • 24 Fuel-ups

  Property of Peetah7117

• 14.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2020 • 133 Fuel-ups

  Property of rjisler

• 16.0 Avg MPG

• Layla

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2020 • 139 Fuel-ups

  Property of jgarm07

• 13.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Apr 2024 • 27 Fuel-ups

  Property of Tubb

• 13.6 Avg MPG

• ChevTruck

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Nov 2017 • 152 Fuel-ups

  Property of milanboyce

• 13.8 Avg MPG

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