Based on data from 259 vehicles, 26,188 fuel-ups and 7,008,443 miles of driving, the 2015 Toyota Sienna gets a combined Avg MPG of 19.43 with a 0.04 MPG margin of error.

Any Engine Type 3.5L V6 GAS (257) Any Body Style Mini Passenger Van (86) Any Submodel L (5) Base (7) SE (28) Limited (35) LE (70) XLE (112) Other (2)

Below you can see a distribution of the fuel-ups with 985 outliers (3.62%) removed.

Following shows the average MPG of each of the 259 vehicles in the system.

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• Toyota Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2021 • 27 Fuel-ups

  Property of gb26jj

• 19.2 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2019 • 62 Fuel-ups

  Property of motoguy

• 18.5 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 8 Fuel-ups

  Property of KAUlmer

• 31.5 Avg MPG

• U 2015 Toyota Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 293 Fuel-ups

  Property of Crevec

• 19.1 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2017 • 123 Fuel-ups

  Property of ihatefillingup

• 19.0 Avg MPG

• Super White

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2016 • 310 Fuel-ups

  Property of shaggun

• 21.0 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 265 Fuel-ups

  Property of s318830

• 20.4 Avg MPG

• Sienna

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

  Property of kboliver82

• 19.5 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2017 • 50 Fuel-ups

  Property of waagbuck

• 22.1 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2022 • 239 Fuel-ups

  Property of tblue

• 22.7 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2021 • 90 Fuel-ups

  Property of mauirixxx

• 16.2 Avg MPG

• Sienna 2015

  2015 Toyota Sienna XLE 3.5L V6 GAS
  Added Sep 2017 • 273 Fuel-ups

  Property of linro

• 21.2 Avg MPG

• 2015 Sienna XLE

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2018 • 80 Fuel-ups

  Property of myerscl

• 20.4 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2019 • 84 Fuel-ups

  Property of jplfuelg

• 20.2 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Apr 2018 • 253 Fuel-ups

  Property of tblue

• 22.6 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jul 2022 • 4 Fuel-ups

  Property of Andrew414

• 20.9 Avg MPG

• My Sienna

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

  Property of pskiba

• 23.0 Avg MPG

• Minivan mama

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2019 • 193 Fuel-ups

  Property of swr619

• 19.6 Avg MPG

• 15 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2015 • 168 Fuel-ups

  Property of abelement

• 19.8 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 12 Fuel-ups

  Property of RobFuel

• 19.7 Avg MPG

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