Based on data from 237 vehicles, 14,025 fuel-ups and 3,949,942 miles of driving, the 2003 Chevrolet Silverado 1500 gets a combined Avg MPG of 14.14 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 GAS (30) 4.8L V8 GAS (50) 5.3L V8 FLEX (4) 5.3L V8 GAS (110) 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) Any Submodel SS (7) WT (8) Base (32) LT (49) LS (109) Other (32)

Below you can see a distribution of the fuel-ups with 516 outliers (3.55%) removed.

Following shows the average MPG of each of the 237 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 • 68 Fuel-ups

  Property of stanima

• 16.4 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2024 • 9 Fuel-ups

  Property of enjoicoast

• 18.8 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 201 Fuel-ups

  Property of mn250r

• 13.6 Avg MPG

• Silverado - Jessie

  2003 Chevrolet Silverado 1500 LT 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 551 Fuel-ups

  Property of mfermier

• 16.0 Avg MPG

• Oscar C

  2003 Chevrolet Silverado 1500 SS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2016 • 150 Fuel-ups

  Property of terryrh

• 13.8 Avg MPG

• Silverado 2003

  2003 Chevrolet Silverado 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jun 2019 • 66 Fuel-ups

  Property of metsst274gmailcom

• 16.1 Avg MPG

• Chevy Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Manual 5 Speed
  Added Sep 2019 • 135 Fuel-ups

  Property of robertsdfw

• 17.0 Avg MPG

• Leap Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Feb 2023 • 34 Fuel-ups

  Property of Hrududu

• 14.4 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 90 Fuel-ups

  Property of big_ref_truck

• 13.6 Avg MPG

• 03SIL

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2022 • 70 Fuel-ups

  Property of carsonmagic

• 17.1 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2022 • 63 Fuel-ups

  Property of AceDeucy

• 14.3 Avg MPG

• My Silverado 2003

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 114 Fuel-ups

  Property of keenwyatt

• 16.2 Avg MPG

• Layla

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2020 • 130 Fuel-ups

  Property of jgarm07

• 13.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Apr 2024 • 19 Fuel-ups

  Property of Tubb

• 14.9 Avg MPG

• ChevTruck

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Nov 2017 • 141 Fuel-ups

  Property of milanboyce

• 13.8 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Oct 2024 • 12 Fuel-ups

  Property of tryan30

• 19.3 Avg MPG

• 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

• My Silverado 1500

  2003 Chevrolet Silverado 1500 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2021 • 27 Fuel-ups

  Property of rudyt

• 17.9 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2020 • 124 Fuel-ups

  Property of rjisler

• 15.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 24 Fuel-ups

  Property of chevyboy2232

• 16.2 Avg MPG

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