Based on data from 252 vehicles, 25,011 fuel-ups and 6,701,883 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 (250) Any Body Style Mini Passenger Van (85) Any Submodel L (5) Base (7) SE (29) Limited (33) LE (69) XLE (107) Other (2)

Below you can see a distribution of the fuel-ups with 966 outliers (3.72%) removed.

Following shows the average MPG of each of the 252 vehicles in the system.

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• 2015 Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2015 • 74 Fuel-ups

  Property of holi

• 22.2 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2017 • 42 Fuel-ups

  Property of morpheus754

• 20.6 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2018 • 8 Fuel-ups

  Property of aeclarke80

• 29.0 Avg MPG

• Toyota

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2016 • 48 Fuel-ups

  Property of James7

• 13.7 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2018 • 9 Fuel-ups

  Property of celeryfarmer

• 25.6 Avg MPG

• Jen's minivan

  2015 Toyota Sienna XLE 3.5L GAS V6 Automatic 6 Mini Passenger Van (5 Door)
  Added Jun 2015 • 24 Fuel-ups

  Property of MrIvan

• 19.8 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2018 • 5 Fuel-ups

  Property of Kinter

• 17.9 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 12 Fuel-ups

  Property of mskaer

• 21.2 Avg MPG

• Hung Ga

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2015 • 183 Fuel-ups

  Property of Jpmarr

• 16.2 Avg MPG

• Swag Wagon

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2015 • 199 Fuel-ups

  Property of Jehnifer

• 19.7 Avg MPG

• Sienna

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

  Property of tomb985

• 19.6 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2017 • 30 Fuel-ups

  Property of AngelaPick

• 17.6 Avg MPG

• Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2017 • 23 Fuel-ups

  Property of paomien35

• 24.3 Avg MPG

• Jena’s Sienna

  2015 Toyota Sienna Custom Submodel
  Added Jun 2018 • 10 Fuel-ups

  Property of coreynash

• 22.0 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Apr 2018 • 4 Fuel-ups

  Property of kbuck320

• 21.1 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2017 • 24 Fuel-ups

  Property of Suebie

• 28.7 Avg MPG

• Sienna

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

  Property of sanjayshankar

• 19.3 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2019 • 61 Fuel-ups

  Property of taadkins0

• 20.8 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 175 Fuel-ups

  Property of sara714

• 15.5 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2018 • 11 Fuel-ups

  Property of topowright

• 19.9 Avg MPG

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