Based on data from 263 vehicles, 26,628 fuel-ups and 7,118,874 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 (261) Any Body Style Mini Passenger Van (87) Any Submodel L (5) Base (7) SE (28) Limited (36) LE (71) XLE (114) Other (2)

Below you can see a distribution of the fuel-ups with 992 outliers (3.59%) removed.

Following shows the average MPG of each of the 263 vehicles in the system.

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• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2024 • 24 Fuel-ups

  Property of cmcm

• 17.1 Avg MPG

• Fiona

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2024 • 3 Fuel-ups

  Property of neljoshua

• 23.4 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 487 Fuel-ups

  Property of newname23

• 19.1 Avg MPG

• Toyota Sienna Limited

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 379 Fuel-ups

  Property of bernardwai

• 16.2 Avg MPG

• Sienna 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2016 • 425 Fuel-ups

  Property of MITBeta

• 21.8 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2023 • 55 Fuel-ups

  Property of nwilliamsid

• 19.6 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2023 • 41 Fuel-ups

  Property of timrob181

• 19.8 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2024 • 5 Fuel-ups

  Property of redman480

• 17.8 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2015 • 266 Fuel-ups

  Property of tennisliang98

• 18.6 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2024 • 10 Fuel-ups

  Property of kbpickens

• 21.8 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2019 • 327 Fuel-ups

  Property of joshlars

• 20.7 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 157 Fuel-ups

  Property of captainfodder

• 18.4 Avg MPG

• Mommy's Mobile

  2015 Toyota Sienna Limited 3.5L V6 GAS
  Added Oct 2019 • 148 Fuel-ups

  Property of 1sweetpea

• 16.4 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2019 • 204 Fuel-ups

  Property of hkfuey

• 19.7 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2024 • 40 Fuel-ups

  Property of finnland15

• 18.0 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2024 • 27 Fuel-ups

  Property of cjwilsontech

• 20.6 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2024 • 18 Fuel-ups

  Property of DragonLee

• 19.0 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 319 Fuel-ups

  Property of saltygunner

• 19.6 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

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 242 Fuel-ups

  Property of djwiegel

• 21.2 Avg MPG

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