Based on data from 260 vehicles, 26,423 fuel-ups and 7,066,766 miles of driving, the 2015 Toyota Sienna gets a combined Avg MPG of 19.42 with a 0.04 MPG margin of error.

Any Engine Type 3.5L V6 GAS (258) Any Body Style Mini Passenger Van (87) Any Submodel L (5) Base (7) SE (28) Limited (35) LE (70) XLE (113) Other (2)

Below you can see a distribution of the fuel-ups with 986 outliers (3.60%) removed.

Following shows the average MPG of each of the 260 vehicles in the system.

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• 15 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2015 • 168 Fuel-ups

  Property of abelement

• 19.8 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 12 Fuel-ups

  Property of RobFuel

• 19.7 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 4 Fuel-ups

  Property of uslaotan88

• 52.6 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2019 • 5 Fuel-ups

  Property of coachjb2gmailcom

• 29.6 Avg MPG

• Chestnut

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2021 • 86 Fuel-ups

  Property of maybu

• 20.4 Avg MPG

• Swagger Wagon

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2018 • 162 Fuel-ups

  Property of aheninger

• 18.2 Avg MPG

• Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2019 • 91 Fuel-ups

  Property of Weichihlin

• 34.7 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2022 • 6 Fuel-ups

  Property of wdarner

• 19.3 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2018 • 127 Fuel-ups

  Property of izzydrewlynn

• 20.2 Avg MPG

• Tania XLE

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2017 • 332 Fuel-ups

  Property of dekiewiet

• 21.9 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Apr 2018 • 27 Fuel-ups

  Property of Valles

• 22.4 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 69 Fuel-ups

  Property of pckeppel

• 26.8 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2021 • 9 Fuel-ups

  Property of Mortalheart

• 20.9 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2020 • 39 Fuel-ups

  Property of brodriguezz88

• 21.3 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2020 • 34 Fuel-ups

  Property of carolpeedie

• 18.9 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2017 • 59 Fuel-ups

  Property of chris50

• 22.8 Avg MPG

• Turbo Van 2.0

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2019 • 10 Fuel-ups

  Property of rangersace

• 19.0 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 113 Fuel-ups

  Property of Vadim1984

• 19.0 Avg MPG

• ZSienna 2015

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added May 2017 • 7 Fuel-ups

  Property of wokumura

• 19.8 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 84 Fuel-ups

  Property of salrider

• 18.7 Avg MPG

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