Based on data from 242 vehicles, 14,258 fuel-ups and 4,012,448 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 (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 (50) Cab & Chassis (1) Extended Crew Cab Pickup (1) Any Submodel SS (7) WT (8) Base (34) LT (50) LS (111) Other (32)

Below you can see a distribution of the fuel-ups with 532 outliers (3.60%) removed.

Following shows the average MPG of each of the 242 vehicles in the system.

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• Silverado

  2003 Chevrolet Silverado 1500 LT Automatic 4 Speed Extended Cab Pickup
  Added May 2019 • 42 Fuel-ups

  Property of fuelftc

• 16.7 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LT Automatic 4 Speed Extended Cab Pickup
  Added Jul 2022 • 42 Fuel-ups

  Property of prfuel

• 16.7 Avg MPG

• My Silverado 1500

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

  Property of chix84

• 12.4 Avg MPG

• '03 Z71

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Dec 2017 • 133 Fuel-ups

  Property of Kennufs

• 14.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2020 • 19 Fuel-ups

  Property of colesims

• 13.4 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 254 Fuel-ups

  Property of climbcamp4

• 14.3 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 5.3L V8 GAS Automatic 4 Speed
  Added Nov 2019 • 5 Fuel-ups

  Property of Chevy200353

• 6.0 Avg MPG

• Rusty Old truck (R.O.T.)

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2018 • 32 Fuel-ups

  Property of jkf243

• 13.2 Avg MPG

• Pickup Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 189 Fuel-ups

  Property of rfliegler

• 15.4 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2019 • 7 Fuel-ups

  Property of Kberrianjr

• 15.7 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Oct 2018 • 47 Fuel-ups

  Property of eddie3

• 14.5 Avg MPG

• Silverado

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2014 • 359 Fuel-ups

  Property of wjzdonjr

• 14.4 Avg MPG

• My Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2017 • 42 Fuel-ups

  Property of jChappie

• 10.2 Avg MPG

• Babe

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added May 2013 • 26 Fuel-ups

  Property of deaner

• 14.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2019 • 5 Fuel-ups

  Property of MNNICK

• 15.8 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Oct 2017 • 109 Fuel-ups

  Property of Mikeyworks

• 13.3 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LS 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 244 Fuel-ups

  Property of R_Marc_81

• 15.0 Avg MPG

• Truck

  2003 Chevrolet Silverado 1500 LT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Nov 2017 • 20 Fuel-ups

  Property of arcticshrike

• 16.6 Avg MPG

• My Silverado 1500

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Dec 2017 • 52 Fuel-ups

  Property of bckappes

• 19.5 Avg MPG

• Chevrolet

  2003 Chevrolet Silverado 1500 LS 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 19 Fuel-ups

  Property of kc5mgc

• 29.2 Avg MPG

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