Based on data from 252 vehicles, 25,011 fuel-ups and 6,701,883 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 966 outliers (3.72%) removed.

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

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• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2018 • 85 Fuel-ups

  Property of thebateman

• 17.7 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2024 • 9 Fuel-ups

  Property of cjwilsontech

• 18.3 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

• Ginger's Sienna

  2015 Toyota Sienna XLE 3.5L GAS V6 Automatic 6 Mini Passenger Van (5 Door)
  Added Dec 2014 • 324 Fuel-ups

  Property of tundraDave

• 20.0 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2024 • 3 Fuel-ups

  Property of j12

• 22.7 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2019 • 59 Fuel-ups

  Property of ozrycet

• 18.5 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

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jun 2018 • 121 Fuel-ups

  Property of trigapod

• 19.5 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

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 127 Fuel-ups

  Property of derrick00

• 21.9 Avg MPG

• Sienna 2015 XLE AWD

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 154 Fuel-ups

  Property of highwei

• 19.2 Avg MPG

• Sienna XLE 15

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2015 • 234 Fuel-ups

  Property of nickxtsui

• 19.9 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

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2021 • 26 Fuel-ups

  Property of QHGAmSXY8ZBkSlWyoo1i

• 17.9 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 157 Fuel-ups

  Property of gary423

• 22.9 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2019 • 155 Fuel-ups

  Property of hkfuey

• 19.8 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2021 • 147 Fuel-ups

  Property of tillett

• 24.0 Avg MPG

• C3P0

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2022 • 36 Fuel-ups

  Property of TurboTurban

• 22.9 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2015 • 105 Fuel-ups

  Property of yongkchung

• 21.1 Avg MPG

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