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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• 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

• z - 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

• Van

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2017 • 17 Fuel-ups

  Property of nateohara

• 18.5 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna
  Added Nov 2017 • 7 Fuel-ups

  Property of KREJ

• 18.7 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2017 • 49 Fuel-ups

  Property of swetenman

• 19.2 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 133 Fuel-ups

  Property of bdcameron80

• 15.8 Avg MPG

• Car

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2017 • 14 Fuel-ups

  Property of nateohara

• 21.5 Avg MPG

• Toyota Sienna 2015

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 177 Fuel-ups

  Property of tigerone

• 20.3 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 35 Fuel-ups

  Property of jaesik

• 22.0 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 33 Fuel-ups

  Property of Puppypaw

• 23.0 Avg MPG

• 2015 Toyota Van

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 36 Fuel-ups

  Property of Soudian

• 22.3 Avg MPG

• '15 Sienna Limited

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added May 2017 • 9 Fuel-ups

  Property of jbarbieri

• 22.1 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2017 • 5 Fuel-ups

  Property of annawas

• 16.3 Avg MPG

• 2015 Sienna

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

  Property of tka1234

• 23.1 Avg MPG

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