Based on data from 263 vehicles, 26,650 fuel-ups and 7,124,561 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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• 2015 Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2021 • 221 Fuel-ups

  Property of p4xson

• 21.5 Avg MPG

• 2015 Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2022 • 118 Fuel-ups

  Property of schipscars

• 21.9 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2023 • 32 Fuel-ups

  Property of Cars2023

• 32.1 Avg MPG

• My Sienna

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

  Property of Confirmlogin

• 15.5 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 158 Fuel-ups

  Property of captainfodder

• 18.4 Avg MPG

• Sienna- 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2019 • 176 Fuel-ups

  Property of abytom

• 21.1 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2024 • 25 Fuel-ups

  Property of cmcm

• 17.0 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 782 Fuel-ups

  Property of sbochat

• 20.0 Avg MPG

• Stanley

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2017 • 161 Fuel-ups

  Property of coliveros

• 14.0 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 488 Fuel-ups

  Property of newname23

• 19.1 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2021 • 143 Fuel-ups

  Property of ryleeej

• 20.8 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 114 Fuel-ups

  Property of RandallnLucia

• 22.6 Avg MPG

• Ginger's Sienna

  2015 Toyota Sienna XLE 3.5L GAS V6 Automatic 6 Mini Passenger Van (5 Door)
  Added Dec 2014 • 345 Fuel-ups

  Property of tundraDave

• 20.0 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2022 • 142 Fuel-ups

  Property of jahoodx4

• 17.6 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2020 • 158 Fuel-ups

  Property of OMARHDIAZ

• 17.8 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 242 Fuel-ups

  Property of jon3

• 21.9 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2018 • 107 Fuel-ups

  Property of SLafler

• 17.6 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2022 • 107 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 • 426 Fuel-ups

  Property of MITBeta

• 21.8 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2023 • 145 Fuel-ups

  Property of lukeleichty

• 21.8 Avg MPG

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