Based on data from 248 vehicles, 21,055 fuel-ups and 6,220,122 miles of driving, the 2004 Toyota Sienna gets a combined Avg MPG of 19.39 with a 0.05 MPG margin of error.

Any Engine Type 3.3L V6 GAS (213) H2 GAS (1) L4 GAS (2) V6 GAS (28) Any Body Style Mini Passenger Van (84) Any Submodel CE (29) XLE Limited (36) XLE (54) LE (96) Other (33)

Below you can see a distribution of the fuel-ups with 1014 outliers (4.59%) removed.

Following shows the average MPG of each of the 248 vehicles in the system.

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• My Sienna

  2004 Toyota Sienna GAS V6
  Added Dec 2012 • 5 Fuel-ups

  Property of MyBlackElantra

• 20.8 Avg MPG

• Sienna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added Aug 2017 • 3 Fuel-ups

  Property of tripden

• 18.6 Avg MPG

• Whitey

  2004 Toyota Sienna GAS V6
  Added Oct 2011 • 81 Fuel-ups

  Property of eyeks

• 17.9 Avg MPG

• 04 Silver Sienna

  2004 Toyota Sienna GAS V6
  Added May 2013 • 4 Fuel-ups

  Property of accountswu

• 20.6 Avg MPG

• Sienna

  2004 Toyota Sienna CE 3.3L V6 GAS Automatic 5 Speed
  Added Mar 2017 • 162 Fuel-ups

  Property of DChace1972

• 22.5 Avg MPG

• 2004 Sienna

  2004 Toyota Sienna GAS V6
  Added Jun 2013 • 162 Fuel-ups

  Property of DChace1972

• 22.5 Avg MPG

• Sienna

  2004 Toyota Sienna GAS V6
  Added Jan 2013 • 10 Fuel-ups

  Property of hemangster

• 25.5 Avg MPG

• Big Bertha

  2004 Toyota Sienna GAS V6
  Added Nov 2012 • 26 Fuel-ups

  Property of derekkenny

• 17.2 Avg MPG

• Sienna Trips

  2004 Toyota Sienna GAS V6
  Added Nov 2011 • 30 Fuel-ups

  Property of eluo

• 22.6 Avg MPG

• Sienna

  2004 Toyota Sienna XLE Limited 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 124 Fuel-ups

  Property of pyrtbob

• 20.8 Avg MPG

• SC Sienna

  2004 Toyota Sienna GAS V6
  Added Jan 2013 • 21 Fuel-ups

  Property of sch3

• 24.6 Avg MPG

• Sienna

  2004 Toyota Sienna GAS V6
  Added Dec 2011 • 39 Fuel-ups

  Property of svensone

• 21.3 Avg MPG

• Van

  2004 Toyota Sienna GAS V6
  Added Apr 2012 • 3 Fuel-ups

  Property of KRISH

• 22.8 Avg MPG

• Jen's Toyota Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 51 Fuel-ups

  Property of cwaldner

• 15.7 Avg MPG

• Van

  2004 Toyota Sienna GAS V6
  Added Mar 2011 • 28 Fuel-ups

  Property of Doggedly

• 24.1 Avg MPG

• Sienna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 51 Fuel-ups

  Property of atwood

• 25.4 Avg MPG

• Shilpa

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Mar 2017 • 7 Fuel-ups

  Property of Pranil

• 25.0 Avg MPG

• The Bus

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 15 Fuel-ups

  Property of Habemus

• 17.9 Avg MPG

• Sienna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added May 2016 • 24 Fuel-ups

  Property of Freesundae

• 30.2 Avg MPG

• Toyota

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 39 Fuel-ups

  Property of zietzpat

• 18.7 Avg MPG

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