Based on data from 252 vehicles, 25,001 fuel-ups and 6,699,260 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 (250) Any Body Style Mini Passenger Van (85) Any Submodel L (5) Base (7) SE (29) Limited (33) LE (69) XLE (107) Other (2)

Below you can see a distribution of the fuel-ups with 965 outliers (3.72%) removed.

Following shows the average MPG of each of the 252 vehicles in the system.

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• Sienna Limited

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jul 2021 • 101 Fuel-ups

  Property of bgellco

• 19.9 Avg MPG

• 2015 Toyota Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2019 • 237 Fuel-ups

  Property of vandewalle

• 20.9 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2019 • 169 Fuel-ups

  Property of madchitown

• 22.6 Avg MPG

• Blackie

  2015 Toyota Sienna 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jul 2019 • 214 Fuel-ups

  Property of bob113

• 24.5 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 85 Fuel-ups

  Property of ksaal

• 20.9 Avg MPG

• Wolf pup

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2022 • 60 Fuel-ups

  Property of theslimjim

• 19.5 Avg MPG

• 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

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2018 • 75 Fuel-ups

  Property of wglenn2002

• 22.7 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

• 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

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added May 2019 • 29 Fuel-ups

  Property of brimis

• 22.1 Avg MPG

• 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

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2019 • 9 Fuel-ups

  Property of jhawkfan44

• 22.3 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

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