Based on data from 269 vehicles, 27,615 fuel-ups and 7,365,375 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 1020 outliers (3.56%) removed.

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

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• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2023 • 45 Fuel-ups

  Property of timrob181

• 19.7 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2020 • 162 Fuel-ups

  Property of OMARHDIAZ

• 17.8 Avg MPG

• Trolley

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2022 • 159 Fuel-ups

  Property of troydwwalker

• 21.9 Avg MPG

• Grey Van

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jul 2018 • 229 Fuel-ups

  Property of pupgolden

• 17.5 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2015 • 315 Fuel-ups

  Property of avey

• 17.3 Avg MPG

• My Sienna

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

  Property of Andrew4806

• 19.0 Avg MPG

• Sienna 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2016 • 433 Fuel-ups

  Property of MITBeta

• 21.8 Avg MPG

• Sienna- 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2019 • 178 Fuel-ups

  Property of abytom

• 21.0 Avg MPG

• Foxx Shuttle MK 2 AKA The Grey Ghost

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2018 • 460 Fuel-ups

  Property of Fyremane

• 19.7 Avg MPG

• My Sienna

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

  Property of trusttoyota

• 21.1 Avg MPG

• Previa

  2015 Toyota Sienna 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 417 Fuel-ups

  Property of rickyyeung

• 16.2 Avg MPG

• 15 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2025 • 219 Fuel-ups

  Property of pchestna

• 18.5 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2024 • 15 Fuel-ups

  Property of Confirmlogin

• 15.3 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2018 • 88 Fuel-ups

  Property of wglenn2002

• 22.2 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2023 • 37 Fuel-ups

  Property of Cars2023

• 32.2 Avg MPG

• Fiona

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2024 • 10 Fuel-ups

  Property of neljoshua

• 21.6 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2021 • 254 Fuel-ups

  Property of mashfaq

• 18.8 Avg MPG

• My Sienna

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

  Property of redman480

• 22.0 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 792 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 • 251 Fuel-ups

  Property of jon3

• 21.8 Avg MPG

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