Based on data from 32 vehicles, 2,167 fuel-ups and 641,674 miles of driving, the 2003 Toyota Avalon gets a combined Avg MPG of 21.47 with a 0.16 MPG margin of error.

Any Engine Type 3.0L V6 GAS (28) GAS (1) V6 GAS (3) Any Body Style Sedan (8) Any Submodel XL (5) XLS (23) Other (4)

Below you can see a distribution of the fuel-ups with 89 outliers (3.95%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

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• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Jul 2018 • 28 Fuel-ups

  Property of SamBronkowitz

• 17.6 Avg MPG

• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Feb 2018 • 28 Fuel-ups

  Property of dagast

• 24.1 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2016 • 201 Fuel-ups

  Property of Obecny75

• 24.0 Avg MPG

• My Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed Sedan
  Added May 2018 • 18 Fuel-ups

  Property of Soc77

• 19.3 Avg MPG

• Everly The Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Apr 2017 • 128 Fuel-ups

  Property of lifegard2

• 17.2 Avg MPG

• 03 Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added May 2014 • 110 Fuel-ups

  Property of bwobo

• 24.4 Avg MPG

• 2003 Toyota Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 188 Fuel-ups

  Property of alicjen

• 22.9 Avg MPG

• Queen Mary II

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Jul 2017 • 14 Fuel-ups

  Property of WTF

• 16.4 Avg MPG

• Toyota Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 61 Fuel-ups

  Property of marcigaona

• 21.6 Avg MPG

• My Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Jun 2017 • 50 Fuel-ups

  Property of joyful2

• 25.9 Avg MPG

• BEN's CAR

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 418 Fuel-ups

  Property of benmuroc

• 21.8 Avg MPG

• 2003 Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 38 Fuel-ups

  Property of timrittgers

• 21.4 Avg MPG

• 2003 Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Aug 2017 • 21 Fuel-ups

  Property of Dmarie

• 19.8 Avg MPG

• 2003 Toyota Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Feb 2018 • 192 Fuel-ups

  Property of samhartung

• 21.1 Avg MPG

• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Jun 2017 • 18 Fuel-ups

  Property of mdahlberg

• 18.1 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Jun 2018 • 81 Fuel-ups

  Property of buzzdaddy

• 24.3 Avg MPG

• Toyota Avalon 2003

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 41 Fuel-ups

  Property of beeatwork

• 17.8 Avg MPG

• My Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Jul 2017 • 30 Fuel-ups

  Property of beccakoe

• 20.6 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2017 • 292 Fuel-ups

  Property of Gregor1975

• 22.9 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2018 • 22 Fuel-ups

  Property of supplymtnbkr

• 25.4 Avg MPG

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