Based on data from 269 vehicles, 27,753 fuel-ups and 7,404,225 miles of driving, the 2015 Toyota Sienna gets a combined Avg MPG of 19.37 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 1028 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 LE 3.5L V6 GAS Automatic 6 Speed
  Added May 2017 • 477 Fuel-ups

  Property of johnelarson

• 21.1 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2020 • 165 Fuel-ups

  Property of OMARHDIAZ

• 18.0 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2016 • 346 Fuel-ups

  Property of andrewconkling

• 20.9 Avg MPG

• Trolley

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2022 • 168 Fuel-ups

  Property of troydwwalker

• 21.8 Avg MPG

• Sienna XLE 15

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2015 • 255 Fuel-ups

  Property of nickxtsui

• 19.9 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 802 Fuel-ups

  Property of sbochat

• 20.0 Avg MPG

• Foxx Shuttle MK 2 AKA The Grey Ghost

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2018 • 466 Fuel-ups

  Property of Fyremane

• 19.7 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Jan 2024 • 19 Fuel-ups

  Property of j12

• 22.8 Avg MPG

• Toyota sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 523 Fuel-ups

  Property of motownafur

• 18.8 Avg MPG

• 15 Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2025 • 230 Fuel-ups

  Property of pchestna

• 18.5 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2017 • 225 Fuel-ups

  Property of battlefamilyonline

• 46.0 Avg MPG

• Sienna 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Feb 2016 • 441 Fuel-ups

  Property of MITBeta

• 21.7 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2022 • 127 Fuel-ups

  Property of RandallnLucia

• 22.5 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2023 • 159 Fuel-ups

  Property of lukeleichty

• 21.7 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2024 • 27 Fuel-ups

  Property of DragonLee

• 19.1 Avg MPG

• 15 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2019 • 285 Fuel-ups

  Property of goldtige

• 21.8 Avg MPG

• Sienna #115

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2025 • 13 Fuel-ups

  Property of AEVZRCTB

• 21.0 Avg MPG

• Dixie

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jul 2024 • 31 Fuel-ups

  Property of dominict87

• 16.7 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2021 • 156 Fuel-ups

  Property of ryleeej

• 20.6 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2021 • 184 Fuel-ups

  Property of tillett

• 25.4 Avg MPG

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