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 SE

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2018 • 10 Fuel-ups

  Property of RonWard

• 18.6 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2022 • 105 Fuel-ups

  Property of Andrew4806

• 19.1 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

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 109 Fuel-ups

  Property of RandallnLucia

• 22.6 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2024 • 4 Fuel-ups

  Property of kbpickens

• 19.0 Avg MPG

• 2015 Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2022 • 113 Fuel-ups

  Property of schipscars

• 21.9 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2015 • 263 Fuel-ups

  Property of tennisliang98

• 18.6 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2024 • 25 Fuel-ups

  Property of cjwilsontech

• 20.6 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 222 Fuel-ups

  Property of trusttoyota

• 21.2 Avg MPG

• Ginger's Sienna

  2015 Toyota Sienna XLE 3.5L GAS V6 Automatic 6 Mini Passenger Van (5 Door)
  Added Dec 2014 • 343 Fuel-ups

  Property of tundraDave

• 20.0 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 155 Fuel-ups

  Property of captainfodder

• 18.4 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 227 Fuel-ups

  Property of sukibomb

• 18.3 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2016 • 332 Fuel-ups

  Property of andrewconkling

• 20.9 Avg MPG

• Mommy's Mobile

  2015 Toyota Sienna Limited 3.5L V6 GAS
  Added Oct 2019 • 145 Fuel-ups

  Property of 1sweetpea

• 16.3 Avg MPG

• Sienna- 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2019 • 174 Fuel-ups

  Property of abytom

• 21.1 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2023 • 39 Fuel-ups

  Property of timrob181

• 19.8 Avg MPG

• Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2018 • 376 Fuel-ups

  Property of GentleBenI0W

• 20.9 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2016 • 280 Fuel-ups

  Property of PaulG

• 17.7 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2017 • 208 Fuel-ups

  Property of battlefamilyonline

• 47.7 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2015 • 309 Fuel-ups

  Property of avey

• 17.3 Avg MPG

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