Based on data from 247 vehicles, 20,796 fuel-ups and 6,165,737 miles of driving, the 2004 Toyota Sienna gets a combined Avg MPG of 19.41 with a 0.05 MPG margin of error.

Any Engine Type 3.3L V6 GAS (212) H2 GAS (1) L4 GAS (2) V6 GAS (28) Any Body Style Mini Passenger Van (84) Any Submodel CE (29) XLE Limited (36) XLE (52) LE (97) Other (33)

Below you can see a distribution of the fuel-ups with 1011 outliers (4.64%) removed.

Following shows the average MPG of each of the 247 vehicles in the system.

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• John's Van

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Nov 2018 • 21 Fuel-ups

  Property of jrockett66

• 17.5 Avg MPG

• Toyota Sienna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Jun 2022 • 9 Fuel-ups

  Property of AshleyHall

• 20.1 Avg MPG

• My Sienna

  2004 Toyota Sienna XLE Limited 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Aug 2019 • 66 Fuel-ups

  Property of millerfamily

• 18.2 Avg MPG

• Bertha

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Sep 2017 • 151 Fuel-ups

  Property of Drybear

• 17.4 Avg MPG

• Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Jul 2022 • 5 Fuel-ups

  Property of jmancenido

• 20.9 Avg MPG

• 2004 Toyota Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Jul 2014 • 190 Fuel-ups

  Property of livrocentral

• 18.4 Avg MPG

• John Rock

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Jan 2022 • 40 Fuel-ups

  Property of jrockett66

• 17.6 Avg MPG

• 2004 Toyota Sienna XLE LTD

  2004 Toyota Sienna XLE Limited 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Sep 2015 • 114 Fuel-ups

  Property of BrujoFeo

• 18.2 Avg MPG

• The Tardis

  2004 Toyota Sienna CE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Nov 2017 • 118 Fuel-ups

  Property of BenSpend

• 22.8 Avg MPG

• Meg's Sienna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 247 Fuel-ups

  Property of P_rock81

• 19.1 Avg MPG

• Toyota

  2004 Toyota Sienna XLE Limited 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Oct 2017 • 259 Fuel-ups

  Property of ooman

• 19.3 Avg MPG

• My Sienna

  2004 Toyota Sienna CE 3.3L V6 GAS Automatic 5 Speed
  Added May 2020 • 29 Fuel-ups

  Property of merlinkc

• 22.1 Avg MPG

• Tank

  2004 Toyota Sienna CE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Mar 2009 • 151 Fuel-ups

  Property of sienna12

• 19.1 Avg MPG

• Tom Cruise

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Jul 2021 • 4 Fuel-ups

  Property of adamweld

• 18.5 Avg MPG

• My Sienna

  2004 Toyota Sienna CE 3.3L V6 GAS Automatic 5 Speed
  Added Jan 2018 • 153 Fuel-ups

  Property of jjoe

• 17.8 Avg MPG

• My Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added May 2020 • 43 Fuel-ups

  Property of LoloBob

• 20.9 Avg MPG

• Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Nov 2014 • 131 Fuel-ups

  Property of amckenzie4

• 21.4 Avg MPG

• 04 Sienna

  2004 Toyota Sienna XLE Limited 3.3L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 366 Fuel-ups

  Property of cmatthewf

• 17.1 Avg MPG

• Sienna

  2004 Toyota Sienna CE 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2021 • 4 Fuel-ups

  Property of zetechdude

• 17.2 Avg MPG

• Vanna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Jun 2021 • 27 Fuel-ups

  Property of icywabbit

• 22.7 Avg MPG

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