Based on data from 226 vehicles, 13,017 fuel-ups and 3,664,939 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.04 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (29) 4.8L V8 GAS (46) 5.3L V8 FLEX (4) 5.3L V8 GAS (104) 6.0L V8 GAS (7) V6 GAS (2) V8 FLEX (1) V8 GAS (24) Any Body Style Standard Cab Pickup (15) Extended Cab Pickup (52) Cab & Chassis (1) Any Submodel SS (7) WT (8) Base (31) LT (45) LS (103) Other (32)

Below you can see a distribution of the fuel-ups with 644 outliers (4.71%) removed.

Following shows the average MPG of each of the 226 vehicles in the system.

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• Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2020 • 63 Fuel-ups

  Property of Kmclemore

• 17.1 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 86 Fuel-ups

  Property of 64Monza

• 13.4 Avg MPG

• Big Red

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2015 • 23 Fuel-ups

  Property of Calel99

• 15.8 Avg MPG

• Silverado - Jessie

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 417 Fuel-ups

  Property of mfermier

• 16.0 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 10 Fuel-ups

  Property of jnewton152

• 16.7 Avg MPG

• Squeaky

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed Cab & Chassis
  Added Aug 2018 • 258 Fuel-ups

  Property of Megaputz

• 12.2 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Dec 2021 • 17 Fuel-ups

  Property of Arde01

• 11.1 Avg MPG

• 03SIL

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2022 • 12 Fuel-ups

  Property of carsonmagic

• 17.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 20 Fuel-ups

  Property of big_ref_truck

• 11.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 39 Fuel-ups

  Property of Dlang3737

• 13.2 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 103 Fuel-ups

  Property of kennyr

• 10.6 Avg MPG

• 2003 Silverado K1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jun 2022 • 8 Fuel-ups

  Property of jgardner

• 24.4 Avg MPG

• Silvi

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2018 • 334 Fuel-ups

  Property of moeb72

• 14.0 Avg MPG

• My Silverado 2003

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 67 Fuel-ups

  Property of keenwyatt

• 16.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2020 • 84 Fuel-ups

  Property of Toreador_Diesel

• 15.3 Avg MPG

• Grover

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 5 Speed Extended Cab Pickup
  Added Aug 2020 • 139 Fuel-ups

  Property of Chas1965

• 14.7 Avg MPG

• 03 Chevy PU

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2020 • 72 Fuel-ups

  Property of Thomas3rd

• 11.9 Avg MPG

• 2003 Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2020 • 182 Fuel-ups

  Property of Bryce3889

• 12.6 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS
  Added Feb 2011 • 254 Fuel-ups

  Property of avarageerod

• 14.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2020 • 74 Fuel-ups

  Property of rjisler

• 15.3 Avg MPG

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