Based on data from 244 vehicles, 14,339 fuel-ups and 4,035,394 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 (114) 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 (52) LS (111) Other (32)

Below you can see a distribution of the fuel-ups with 538 outliers (3.62%) removed.

Following shows the average MPG of each of the 244 vehicles in the system.

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• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2025 • 6 Fuel-ups

  Property of keith1015

• 17.3 Avg MPG

• Silverado 2003

  2003 Chevrolet Silverado 1500 WT 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Jun 2019 • 74 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 • 153 Fuel-ups

  Property of robertsdfw

• 17.0 Avg MPG

• kevin

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

  Property of pmdwashere

• 14.4 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2024 • 42 Fuel-ups

  Property of chevyboy2232

• 15.8 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 213 Fuel-ups

  Property of mn250r

• 13.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Apr 2024 • 28 Fuel-ups

  Property of Tubb

• 13.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2022 • 26 Fuel-ups

  Property of Peetah7117

• 14.6 Avg MPG

• 03SIL

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2022 • 78 Fuel-ups

  Property of carsonmagic

• 17.2 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 FLEX Automatic 4 Speed Extended Cab Pickup
  Added Dec 2021 • 66 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 • 73 Fuel-ups

  Property of stanima

• 16.4 Avg MPG

• Chevrolet Silverado 1500

  2003 Chevrolet Silverado 1500 4.8L V8 GAS Automatic 4 Speed Extended Crew Cab Pickup
  Added Jan 2025 • 19 Fuel-ups

  Property of dee21601

• 15.2 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 108 Fuel-ups

  Property of big_ref_truck

• 13.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2024 • 18 Fuel-ups

  Property of enjoicoast

• 18.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2025 • 5 Fuel-ups

  Property of MxRacer190

• 15.5 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2022 • 199 Fuel-ups

  Property of Dlang3737

• 14.1 Avg MPG

• Layla

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2020 • 141 Fuel-ups

  Property of jgarm07

• 13.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2025 • 6 Fuel-ups

  Property of RT_Hemi_AWD

• 12.9 Avg MPG

• Oscar C

  2003 Chevrolet Silverado 1500 SS 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2016 • 157 Fuel-ups

  Property of terryrh

• 13.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2018 • 79 Fuel-ups

  Property of robertsjm711

• 14.7 Avg MPG

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