Based on data from 261 vehicles, 26,488 fuel-ups and 7,082,724 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 (259) Any Body Style Mini Passenger Van (87) Any Submodel L (5) Base (7) SE (28) Limited (36) LE (70) XLE (113) Other (2)

Below you can see a distribution of the fuel-ups with 990 outliers (3.60%) removed.

Following shows the average MPG of each of the 261 vehicles in the system.

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• Previa

  2015 Toyota Sienna 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 410 Fuel-ups

  Property of rickyyeung

• 16.2 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 485 Fuel-ups

  Property of newname23

• 19.1 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 223 Fuel-ups

  Property of trusttoyota

• 21.2 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2018 • 78 Fuel-ups

  Property of wglenn2002

• 22.6 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2023 • 54 Fuel-ups

  Property of nwilliamsid

• 19.5 Avg MPG

• Toyota Sienna Limited

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 374 Fuel-ups

  Property of bernardwai

• 16.2 Avg MPG

• Mommy's Mobile

  2015 Toyota Sienna Limited 3.5L V6 GAS
  Added Oct 2019 • 147 Fuel-ups

  Property of 1sweetpea

• 16.3 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2023 • 141 Fuel-ups

  Property of lukeleichty

• 21.8 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2017 • 392 Fuel-ups

  Property of erittenhouse

• 18.6 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2023 • 40 Fuel-ups

  Property of timrob181

• 19.8 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2022 • 140 Fuel-ups

  Property of jahoodx4

• 17.6 Avg MPG

• Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2018 • 377 Fuel-ups

  Property of GentleBenI0W

• 21.1 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 779 Fuel-ups

  Property of sbochat

• 20.0 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 229 Fuel-ups

  Property of jon3

• 21.9 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2022 • 106 Fuel-ups

  Property of dl97aggie

• 19.6 Avg MPG

• Sienna- 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2019 • 175 Fuel-ups

  Property of abytom

• 21.1 Avg MPG

• 15 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2019 • 276 Fuel-ups

  Property of goldtige

• 21.8 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 156 Fuel-ups

  Property of captainfodder

• 18.4 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2020 • 105 Fuel-ups

  Property of cdarrow

• 21.2 Avg MPG

• Foxx Shuttle MK 2 AKA The Grey Ghost

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2018 • 450 Fuel-ups

  Property of Fyremane

• 19.7 Avg MPG

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