Based on data from 19 vehicles, 1,118 fuel-ups and 334,107 miles of driving, the 2003 Toyota Avalon gets a combined Avg MPG of 22.15 with a 0.17 MPG margin of error.

Any Engine Type 3.0L V6 GAS (15) GAS (1) V6 GAS (3) Any Body Style Sedan (2) Any Submodel XL (3) XLS (12) Other (4)

Below you can see a distribution of the fuel-ups with 93 outliers (7.68%) removed.

Following shows the average MPG of each of the 19 vehicles in the system.

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2016 • 108 Fuel-ups

  Property of Obecny75

• 24.5 Avg MPG

• 2003 Toyota Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 147 Fuel-ups

  Property of alicjen

• 23.5 Avg MPG

• 2003 Avalon

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

  Property of timrittgers

• 20.8 Avg MPG

• Toyota Avalon 2003

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 36 Fuel-ups

  Property of beeatwork

• 18.2 Avg MPG

• Everly The Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Apr 2017 • 20 Fuel-ups

  Property of lifegard2

• 17.5 Avg MPG

• Toyota Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 15 Fuel-ups

  Property of marcigaona

• 22.1 Avg MPG

• BEN's CAR

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 302 Fuel-ups

  Property of benmuroc

• 23.6 Avg MPG

• ***Avalon Keep For Logs

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 321 Fuel-ups

  Property of lifegard2

• 23.6 Avg MPG

• Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS
  Added Oct 2016 • 14 Fuel-ups

  Property of DMAXUS

• 22.9 Avg MPG

• Arthur

  2003 Toyota Avalon XLS 3L GAS V6 Automatic 4 Sedan (4 Door)
  Added May 2015 • 64 Fuel-ups

  Property of Deschain

• 23.7 Avg MPG

• 2003 Avalon

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Oct 2016 • 48 Fuel-ups

  Property of Tat9in69

• 31.1 Avg MPG

• 03 Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed Sedan
  Added May 2014 • 66 Fuel-ups

  Property of bwobo

• 25.3 Avg MPG

• 2003 Toyota Avalon

  2003 Toyota Avalon XLS 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 167 Fuel-ups

  Property of TJG463

• 21.9 Avg MPG

• Avalon XLS

  2003 Toyota Avalon GAS V6
  Added Dec 2013 • 27 Fuel-ups

  Property of Rocketsql

• 20.2 Avg MPG

• Avalon XL

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 151 Fuel-ups

  Property of jdscott74

• 23.0 Avg MPG

• Nissan Altima

  2003 Toyota Avalon XL 3.0L V6 GAS Automatic 4 Speed
  Added Apr 2017 • 63 Fuel-ups

  Property of mightyshorty

• 29.1 Avg MPG

• Wife's 03 Avalon

  2003 Toyota Avalon GAS V6
  Added Dec 2011 • 13 Fuel-ups

  Property of picjon

• 23.9 Avg MPG

• Pinky's Avalon

  2003 Toyota Avalon GAS
  Added Sep 2008 • 15 Fuel-ups

  Property of rtkn04

• 34.3 Avg MPG

• Car #2

  2003 Toyota Avalon GAS V6
  Added Sep 2008 • 15 Fuel-ups

  Property of 4Toyotas

• 19.1 Avg MPG