Based on data from 48 vehicles, 3,616 fuel-ups and 1,043,816 miles of driving, the 2003 Toyota Avalon gets a combined Avg MPG of 21.36 with a 0.14 MPG margin of error.

Any Engine Type 3.0L V6 GAS (44) GAS (1) V6 GAS (3) Any Body Style Sedan (13) Any Submodel XL (14) XLS (30) Other (4)

Below you can see a distribution of the fuel-ups with 92 outliers (2.48%) removed.

Following shows the average MPG of each of the 48 vehicles in the system.

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• 2003 Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Aug 2017 • 149 Fuel-ups

  Property of Dmarie

• 23.1 Avg MPG

• 2003 Avalon XL

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Nov 2021 • 71 Fuel-ups

  Property of JEPaver

• 26.0 Avg MPG

• 03 Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Jul 2019 • 166 Fuel-ups

  Property of cgetting

• 20.9 Avg MPG

• My Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2023 • 93 Fuel-ups

  Property of sivaddm

• 24.7 Avg MPG

• 03 Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added May 2014 • 249 Fuel-ups

  Property of bwobo

• 22.8 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Nov 2019 • 11 Fuel-ups

  Property of cgaustin

• 24.4 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2017 • 371 Fuel-ups

  Property of Gregor1975

• 22.9 Avg MPG

• My Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Nov 2023 • 10 Fuel-ups

  Property of vegasview

• 17.7 Avg MPG

• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Oct 2023 • 14 Fuel-ups

  Property of JMML

• 20.9 Avg MPG

• Toyota Avalon 2003

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 57 Fuel-ups

  Property of beeatwork

• 17.2 Avg MPG

• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2023 • 4 Fuel-ups

  Property of pgood

• 18.0 Avg MPG

• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Jan 2025 • 12 Fuel-ups

  Property of V6ori4tacos

• 24.8 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2018 • 63 Fuel-ups

  Property of jjheldt

• 17.3 Avg MPG

• 2003 Avalon XLS

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2021 • 75 Fuel-ups

  Property of PizzaGerbil

• 21.0 Avg MPG

• Scania

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Jan 2023 • 6 Fuel-ups

  Property of Scania03

• 24.1 Avg MPG

• Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Nov 2021 • 27 Fuel-ups

  Property of dct13579

• 25.1 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Jan 2025 • 203 Fuel-ups

  Property of sph128

• 23.3 Avg MPG

• My Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added May 2022 • 32 Fuel-ups

  Property of bska

• 25.5 Avg MPG

• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Dec 2020 • 34 Fuel-ups

  Property of pgood0721

• 20.9 Avg MPG

• My Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2022 • 7 Fuel-ups

  Property of ryanferullo

• 24.4 Avg MPG

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