Based on data from 250 vehicles, 21,127 fuel-ups and 6,239,746 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 (215) H2 GAS (1) L4 GAS (2) V6 GAS (28) Any Body Style Mini Passenger Van (86) Any Submodel CE (29) XLE Limited (36) XLE (54) LE (98) Other (33)

Below you can see a distribution of the fuel-ups with 1016 outliers (4.59%) removed.

Following shows the average MPG of each of the 250 vehicles in the system.

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• Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 381 Fuel-ups

  Property of squirrelly76

• 21.8 Avg MPG

• The Sienna Solution

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Sep 2023 • 7 Fuel-ups

  Property of siennasolution

• 21.1 Avg MPG

• MsT

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Apr 2012 • 121 Fuel-ups

  Property of ethancaine

• 17.9 Avg MPG

• Lana

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Oct 2020 • 53 Fuel-ups

  Property of jonthelam

• 19.6 Avg MPG

• My Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2023 • 91 Fuel-ups

  Property of arctic-parrot

• 18.8 Avg MPG

• My Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2018 • 9 Fuel-ups

  Property of cellrochas

• 17.6 Avg MPG

• 2004 Sienna

  2004 Toyota Sienna CE 3.3L V6 GAS Automatic 5 Speed
  Added Nov 2023 • 5 Fuel-ups

  Property of bnwing

• 21.7 Avg MPG

• Compensator MKIII

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Sep 2022 • 75 Fuel-ups

  Property of lice

• 18.0 Avg MPG

• Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Sep 2016 • 411 Fuel-ups

  Property of stevemcc1991

• 20.9 Avg MPG

• Sienna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added May 2017 • 69 Fuel-ups

  Property of catsintheattic

• 18.5 Avg MPG

• 2004 Sienna Big Blue

  2004 Toyota Sienna XLE Limited 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Dec 2023 • 10 Fuel-ups

  Property of EastBayCTS

• 15.4 Avg MPG

• Sienna2004

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 494 Fuel-ups

  Property of Rsoie

• 22.2 Avg MPG

• Mini

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Jun 2022 • 38 Fuel-ups

  Property of casingh

• 14.5 Avg MPG

• 2004 Toyota Sienna (Handicap)(Fuel)

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Jan 2024 • 11 Fuel-ups

  Property of tsolberg

• 22.3 Avg MPG

• 2004 Toyota Sienna (Handicap)

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Apr 2023 • 11 Fuel-ups

  Property of tsolberg

• 22.3 Avg MPG

• Toyota Sienna

  2004 Toyota Sienna XLE Limited 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Sep 2021 • 30 Fuel-ups

  Property of chacmac

• 27.0 Avg MPG

• Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 523 Fuel-ups

  Property of jrhpi

• 21.2 Avg MPG

• 04 Sienna Grey

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Mar 2018 • 118 Fuel-ups

  Property of 1tpg1

• 22.6 Avg MPG

• My Sienna

  2004 Toyota Sienna XLE 3.3L V6 GAS Automatic 5 Speed
  Added Feb 2019 • 26 Fuel-ups

  Property of Gwil86

• 22.2 Avg MPG

• My Sienna

  2004 Toyota Sienna LE 3.3L V6 GAS Automatic 5 Speed
  Added May 2016 • 109 Fuel-ups

  Property of Pargat

• 19.8 Avg MPG

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