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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• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2018 • 137 Fuel-ups

  Property of trigapod

• 19.5 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS
  Added Jul 2024 • 6 Fuel-ups

  Property of MathMan05

• 24.7 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2017 • 264 Fuel-ups

  Property of pungent

• 22.3 Avg MPG

• Crimson

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2021 • 240 Fuel-ups

  Property of padgett0904

• 14.8 Avg MPG

• Sienna

  2015 Toyota Sienna L 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2019 • 145 Fuel-ups

  Property of rht413

• 21.6 Avg MPG

• Sienna

  2015 Toyota Sienna L 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2023 • 41 Fuel-ups

  Property of joshbomb354

• 23.1 Avg MPG

• C3P0

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2022 • 40 Fuel-ups

  Property of TurboTurban

• 22.9 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 386 Fuel-ups

  Property of stricklandrw

• 19.6 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

• White Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2017 • 84 Fuel-ups

  Property of placidblue5

• 20.9 Avg MPG

• Toyota Sienna

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

  Property of nwesco

• 18.2 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 48 Fuel-ups

  Property of aarobins

• 21.0 Avg MPG

• 2015 Sienna PreDawn Gray

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2017 • 7 Fuel-ups

  Property of gxs5ly

• 19.5 Avg MPG

• Erin

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Dec 2019 • 317 Fuel-ups

  Property of ecorcella

• 19.1 Avg MPG

• 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

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