Based on data from 243 vehicles, 14,294 fuel-ups and 4,022,252 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 534 outliers (3.60%) 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 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

• 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 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

• Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 150 Fuel-ups

  Property of sjefferies

• 12.8 Avg MPG

• Ole Blue

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 171 Fuel-ups

  Property of BowManGuardian

• 13.8 Avg MPG

• JRODS Chevy Silvera

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2017 • 364 Fuel-ups

  Property of jjrod11292003

• 14.0 Avg MPG

• Chevy

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 260 Fuel-ups

  Property of shark106

• 12.8 Avg MPG

• Gray Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2016 • 172 Fuel-ups

  Property of salf

• 16.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 74 Fuel-ups

  Property of Noahrost

• 13.6 Avg MPG

• Shitruck

  2003 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2022 • 15 Fuel-ups

  Property of 780farva

• 15.0 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 111 Fuel-ups

  Property of kennyr

• 10.6 Avg MPG

• My Silverado 1500

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

  Property of kingofcredit

• 13.2 Avg MPG

• Squeaky

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Cab & Chassis
  Added Aug 2018 • 296 Fuel-ups

  Property of Megaputz

• 12.4 Avg MPG

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