Based on data from 238 vehicles, 13,709 fuel-ups and 3,859,616 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 LS 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Dec 2021 • 54 Fuel-ups

  Property of Arde01

• 11.2 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2022 • 53 Fuel-ups

  Property of stanima

• 16.3 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

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 132 Fuel-ups

  Property of 64Monza

• 13.9 Avg MPG

• Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2020 • 110 Fuel-ups

  Property of Kmclemore

• 16.3 Avg MPG

• 03 Chevy PU

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2020 • 82 Fuel-ups

  Property of Thomas3rd

• 11.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2021 • 56 Fuel-ups

  Property of OldBenz

• 15.3 Avg MPG

• Oscar C

  2003 Chevrolet Silverado 1500 SS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2016 • 135 Fuel-ups

  Property of terryrh

• 14.1 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2020 • 111 Fuel-ups

  Property of rjisler

• 15.6 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2022 • 43 Fuel-ups

  Property of AceDeucy

• 14.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2023 • 24 Fuel-ups

  Property of Lukisto

• 14.2 Avg MPG

• CHEVY Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2019 • 60 Fuel-ups

  Property of jrnickell

• 11.0 Avg MPG

• The Black Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 340 Fuel-ups

  Property of mvf209

• 14.9 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

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2019 • 80 Fuel-ups

  Property of calebwaite

• 16.7 Avg MPG

• Big Red

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2015 • 43 Fuel-ups

  Property of Calel99

• 15.8 Avg MPG

• Chevrolet Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Sep 2019 • 37 Fuel-ups

  Property of B288

• 20.1 Avg MPG

• kevin

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jul 2022 • 5 Fuel-ups

  Property of pmdwashere

• 14.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2018 • 65 Fuel-ups

  Property of robertsjm711

• 14.4 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

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