Based on data from 82 vehicles, 4,722 fuel-ups and 1,267,339 miles of driving, the 2003 Chevrolet Impala gets a combined Avg MPG of 21.61 with a 0.14 MPG margin of error.

Any Engine Type 3.4L V6 GAS (24) 3.8L V6 GAS (29) V6 GAS (28) Any Body Style Sedan (28) Any Submodel LS Sport (4) LS (17) Base (32) Other (29)

Below you can see a distribution of the fuel-ups with 282 outliers (5.64%) removed.

Following shows the average MPG of each of the 82 vehicles in the system.

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• Impala

  2003 Chevrolet Impala LS Sport 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Apr 2019 • 302 Fuel-ups

  Property of beastrider79

• 23.9 Avg MPG

• Impala

  2003 Chevrolet Impala LS 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2021 • 159 Fuel-ups

  Property of butdan323

• 22.0 Avg MPG

• White 2003 Impala

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Jan 2023 • 31 Fuel-ups

  Property of Alarson

• 20.9 Avg MPG

• Impala

  2003 Chevrolet Impala LS 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2017 • 361 Fuel-ups

  Property of ricki

• 21.9 Avg MPG

• Impala

  2003 Chevrolet Impala LS Sport 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Apr 2019 • 500 Fuel-ups

  Property of blackstreet8

• 22.4 Avg MPG

• Mom's Car

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 70 Fuel-ups

  Property of adhollywood

• 19.5 Avg MPG

• Impala

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2024 • 240 Fuel-ups

  Property of Guymer

• 21.6 Avg MPG

• My Impala

  2003 Chevrolet Impala LS 3.8L V6 GAS Automatic 4 Speed
  Added Jan 2022 • 9 Fuel-ups

  Property of 2700logger

• 17.7 Avg MPG

• My Impala

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed
  Added May 2018 • 203 Fuel-ups

  Property of Wojcake

• 23.8 Avg MPG

• Daniel Spence Jr

  2003 Chevrolet Impala LS 3.8L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 227 Fuel-ups

  Property of spence428

• 18.9 Avg MPG

• Delbert Udy

  2003 Chevrolet Impala 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Jun 2018 • 81 Fuel-ups

  Property of DelUdy

• 14.2 Avg MPG

• Delbert Udy

  2003 Chevrolet Impala 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Jun 2021 • 81 Fuel-ups

  Property of DelUdy

• 14.2 Avg MPG

• My Impala

  2003 Chevrolet Impala LS Sport 3.8L V6 GAS Automatic 4 Speed
  Added Dec 2020 • 5 Fuel-ups

  Property of Patas

• 20.4 Avg MPG

• My Impala

  2003 Chevrolet Impala LS 3.8L V6 GAS Automatic 4 Speed
  Added Dec 2019 • 31 Fuel-ups

  Property of cdahlheimer

• 22.2 Avg MPG

• My Impala

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 157 Fuel-ups

  Property of goodplace2start

• 20.8 Avg MPG

• Fred

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Jul 2019 • 15 Fuel-ups

  Property of ryeob02

• 19.2 Avg MPG

• Old Impala

  2003 Chevrolet Impala LS 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Nov 2018 • 40 Fuel-ups

  Property of Jesseringgenberg

• 26.1 Avg MPG

• Ida

  2003 Chevrolet Impala LS 3.8L V6 GAS Automatic 4 Speed
  Added Mar 2018 • 147 Fuel-ups

  Property of mitgr81

• 23.9 Avg MPG

• Impala 03

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed
  Added Nov 2017 • 40 Fuel-ups

  Property of Bobbysilk

• 22.9 Avg MPG

• Impala

  2003 Chevrolet Impala 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Nov 2017 • 17 Fuel-ups

  Property of Steve108

• 24.2 Avg MPG

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