Based on data from 269 vehicles, 27,678 fuel-ups and 7,384,783 miles of driving, the 2015 Toyota Sienna gets a combined Avg MPG of 19.36 with a 0.04 MPG margin of error.

Any Engine Type 3.5L V6 GAS (267) Any Body Style Mini Passenger Van (91) Any Submodel L (5) Base (7) SE (28) Limited (37) LE (72) XLE (118) Other (2)

Below you can see a distribution of the fuel-ups with 1025 outliers (3.57%) removed.

Following shows the average MPG of each of the 269 vehicles in the system.

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• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2025 • 10 Fuel-ups

  Property of vansion

• 19.8 Avg MPG

• Previa

  2015 Toyota Sienna 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 422 Fuel-ups

  Property of rickyyeung

• 16.2 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2024 • 13 Fuel-ups

  Property of redman480

• 20.1 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 234 Fuel-ups

  Property of sukibomb

• 18.3 Avg MPG

• Sienna 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2016 • 439 Fuel-ups

  Property of MITBeta

• 21.7 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2024 • 12 Fuel-ups

  Property of tuckermray

• 18.6 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 126 Fuel-ups

  Property of RandallnLucia

• 22.5 Avg MPG

• Toyota sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 521 Fuel-ups

  Property of motownafur

• 18.8 Avg MPG

• Sienna #115

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2025 • 10 Fuel-ups

  Property of AEVZRCTB

• 21.2 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 496 Fuel-ups

  Property of newname23

• 19.1 Avg MPG

• 2015 Toyota Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2017 • 300 Fuel-ups

  Property of cwdoll

• 17.7 Avg MPG

• Foxx Shuttle MK 2 AKA The Grey Ghost

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2018 • 464 Fuel-ups

  Property of Fyremane

• 19.7 Avg MPG

• 15 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2019 • 284 Fuel-ups

  Property of goldtige

• 21.8 Avg MPG

• Black Panther

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2023 • 82 Fuel-ups

  Property of theslimjim

• 19.7 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2019 • 332 Fuel-ups

  Property of joshlars

• 20.7 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2018 • 112 Fuel-ups

  Property of SLafler

• 17.4 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2023 • 157 Fuel-ups

  Property of lukeleichty

• 21.7 Avg MPG

• Toyota Sienna Limited

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 389 Fuel-ups

  Property of bernardwai

• 16.2 Avg MPG

• Trolley

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2022 • 166 Fuel-ups

  Property of troydwwalker

• 21.8 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2021 • 28 Fuel-ups

  Property of QHGAmSXY8ZBkSlWyoo1i

• 17.8 Avg MPG

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