Based on data from 260 vehicles, 26,423 fuel-ups and 7,066,766 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 (258) Any Body Style Mini Passenger Van (87) Any Submodel L (5) Base (7) SE (28) Limited (35) LE (70) XLE (113) Other (2)

Below you can see a distribution of the fuel-ups with 986 outliers (3.60%) removed.

Following shows the average MPG of each of the 260 vehicles in the system.

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• Blue Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2021 • 126 Fuel-ups

  Property of vdeal

• 18.0 Avg MPG

• Black Panther

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2023 • 71 Fuel-ups

  Property of theslimjim

• 19.7 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2024 • 14 Fuel-ups

  Property of DragonLee

• 18.2 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 719 Fuel-ups

  Property of nosajnosaj

• 22.0 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2024 • 14 Fuel-ups

  Property of Ehuff

• 18.9 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 Toyota Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2017 • 297 Fuel-ups

  Property of cwdoll

• 17.8 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2015 • 108 Fuel-ups

  Property of yongkchung

• 21.2 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2021 • 176 Fuel-ups

  Property of tillett

• 25.3 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2020 • 104 Fuel-ups

  Property of cdarrow

• 21.2 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 163 Fuel-ups

  Property of gary423

• 22.9 Avg MPG

• Van

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2018 • 350 Fuel-ups

  Property of moderja

• 25.2 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 325 Fuel-ups

  Property of sarazietz

• 19.2 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

• 2015 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jun 2019 • 204 Fuel-ups

  Property of hkfuey

• 19.7 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2024 • 5 Fuel-ups

  Property of j12

• 23.0 Avg MPG

• 2015 Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2018 • 28 Fuel-ups

  Property of StPe

• 19.1 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2021 • 27 Fuel-ups

  Property of QHGAmSXY8ZBkSlWyoo1i

• 17.8 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2024 • 5 Fuel-ups

  Property of TWford

• 24.7 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2018 • 86 Fuel-ups

  Property of thebateman

• 17.7 Avg MPG

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