Based on data from 248 vehicles, 23,202 fuel-ups and 6,206,611 miles of driving, the 2015 Toyota Sienna gets a combined Avg MPG of 19.40 with a 0.05 MPG margin of error.

Any Engine Type 3.5L V6 GAS (246) Any Body Style Mini Passenger Van (85) Any Submodel L (4) Base (7) SE (28) Limited (32) LE (69) XLE (106) Other (2)

Below you can see a distribution of the fuel-ups with 914 outliers (3.79%) removed.

Following shows the average MPG of each of the 248 vehicles in the system.

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• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 670 Fuel-ups

  Property of sbochat

• 19.9 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2022 • 59 Fuel-ups

  Property of jahoodx4

• 17.6 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2021 • 120 Fuel-ups

  Property of p4xson

• 21.4 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2017 • 230 Fuel-ups

  Property of pungent

• 22.3 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2023 • 16 Fuel-ups

  Property of lukeleichty

• 20.9 Avg MPG

• Wolf pup

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2022 • 48 Fuel-ups

  Property of theslimjim

• 19.7 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2018 • 76 Fuel-ups

  Property of SLafler

• 18.6 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 420 Fuel-ups

  Property of newname23

• 19.2 Avg MPG

• Sienna 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2016 • 329 Fuel-ups

  Property of MITBeta

• 21.8 Avg MPG

• Toyota Sienna Limited

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 289 Fuel-ups

  Property of bernardwai

• 16.0 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2022 • 76 Fuel-ups

  Property of toju

• 18.8 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2021 • 21 Fuel-ups

  Property of QHGAmSXY8ZBkSlWyoo1i

• 17.4 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2015 • 193 Fuel-ups

  Property of tennisliang98

• 18.9 Avg MPG

• Crimson

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 165 Fuel-ups

  Property of padgett0904

• 14.8 Avg MPG

• Trolley

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2022 • 54 Fuel-ups

  Property of troydwwalker

• 22.3 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 118 Fuel-ups

  Property of jon3

• 21.9 Avg MPG

• Blackie

  2015 Toyota Sienna 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jul 2019 • 202 Fuel-ups

  Property of bob113

• 24.6 Avg MPG

• Linus

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2018 • 362 Fuel-ups

  Property of UncleWilkie

• 17.9 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added May 2017 • 315 Fuel-ups

  Property of johnelarson

• 21.0 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 199 Fuel-ups

  Property of sukibomb

• 18.4 Avg MPG

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