Based on data from 267 vehicles, 27,217 fuel-ups and 7,262,534 miles of driving, the 2015 Toyota Sienna gets a combined Avg MPG of 19.40 with a 0.04 MPG margin of error.

Any Engine Type 3.5L V6 GAS (265) Any Body Style Mini Passenger Van (90) Any Submodel L (5) Base (7) SE (28) Limited (36) LE (73) XLE (116) Other (2)

Below you can see a distribution of the fuel-ups with 999 outliers (3.54%) removed.

Following shows the average MPG of each of the 267 vehicles in the system.

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• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 338 Fuel-ups

  Property of AJK1

• 21.6 Avg MPG

• Foxx Shuttle MK 2 AKA The Grey Ghost

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2018 • 456 Fuel-ups

  Property of Fyremane

• 19.7 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 245 Fuel-ups

  Property of jon3

• 21.8 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2022 • 144 Fuel-ups

  Property of jahoodx4

• 17.6 Avg MPG

• Sienna 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2016 • 429 Fuel-ups

  Property of MITBeta

• 21.8 Avg MPG

• My Sienna

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

  Property of Confirmlogin

• 15.2 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2024 • 7 Fuel-ups

  Property of redman480

• 18.1 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2018 • 108 Fuel-ups

  Property of SLafler

• 17.5 Avg MPG

• Black Panther

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2023 • 75 Fuel-ups

  Property of theslimjim

• 19.6 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2024 • 43 Fuel-ups

  Property of finnland15

• 17.8 Avg MPG

• SAG Wagon

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2025 • 95 Fuel-ups

  Property of themela2501

• 20.7 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2017 • 406 Fuel-ups

  Property of erittenhouse

• 18.6 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2024 • 19 Fuel-ups

  Property of Ehuff

• 18.8 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added May 2024 • 24 Fuel-ups

  Property of trj4192

• 18.9 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 785 Fuel-ups

  Property of sbochat

• 20.0 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2017 • 216 Fuel-ups

  Property of battlefamilyonline

• 47.0 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2023 • 34 Fuel-ups

  Property of Cars2023

• 31.1 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2021 • 145 Fuel-ups

  Property of ryleeej

• 20.8 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added May 2017 • 465 Fuel-ups

  Property of johnelarson

• 21.1 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2018 • 82 Fuel-ups

  Property of wglenn2002

• 22.3 Avg MPG

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