Based on data from 269 vehicles, 27,595 fuel-ups and 7,360,869 miles of driving, the 2015 Toyota Sienna gets a combined Avg MPG of 19.38 with a 0.04 MPG margin of error.

Any Engine Type 3.5L V6 GAS (267) Any Body Style Mini Passenger Van (91) Any Submodel L (5) Base (7) SE (28) Limited (36) LE (73) XLE (118) Other (2)

Below you can see a distribution of the fuel-ups with 1025 outliers (3.58%) removed.

Following shows the average MPG of each of the 269 vehicles in the system.

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• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2022 • 110 Fuel-ups

  Property of dl97aggie

• 19.6 Avg MPG

• Black Panther

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2023 • 79 Fuel-ups

  Property of theslimjim

• 19.7 Avg MPG

• Trolley

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2022 • 158 Fuel-ups

  Property of troydwwalker

• 21.9 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 250 Fuel-ups

  Property of jon3

• 21.8 Avg MPG

• 2015 Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2022 • 122 Fuel-ups

  Property of schipscars

• 21.8 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2016 • 285 Fuel-ups

  Property of PaulG

• 17.6 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 791 Fuel-ups

  Property of sbochat

• 20.0 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2017 • 410 Fuel-ups

  Property of erittenhouse

• 18.6 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2024 • 7 Fuel-ups

  Property of tuckermray

• 18.1 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 118 Fuel-ups

  Property of RandallnLucia

• 22.5 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added May 2024 • 26 Fuel-ups

  Property of trj4192

• 18.9 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2018 • 87 Fuel-ups

  Property of wglenn2002

• 22.2 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2019 • 330 Fuel-ups

  Property of joshlars

• 20.7 Avg MPG

• Sienna 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2016 • 432 Fuel-ups

  Property of MITBeta

• 21.7 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 160 Fuel-ups

  Property of captainfodder

• 18.4 Avg MPG

• Fiona

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2024 • 9 Fuel-ups

  Property of neljoshua

• 21.8 Avg MPG

• Mommy's Mobile

  2015 Toyota Sienna Limited 3.5L V6 GAS
  Added Oct 2019 • 151 Fuel-ups

  Property of 1sweetpea

• 16.3 Avg MPG

• Van

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2018 • 356 Fuel-ups

  Property of moderja

• 26.0 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 339 Fuel-ups

  Property of AJK1

• 21.6 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2021 • 149 Fuel-ups

  Property of ryleeej

• 20.7 Avg MPG

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