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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• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Dec 2019 • 19 Fuel-ups

  Property of catemp

• 24.8 Avg MPG

• Sienka

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2017 • 61 Fuel-ups

  Property of vpopil

• 17.6 Avg MPG

• Toyota Sienna 15

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2018 • 124 Fuel-ups

  Property of marcotte

• 18.6 Avg MPG

• Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Jul 2019 • 9 Fuel-ups

  Property of ChrisPepin

• 19.8 Avg MPG

• Sienna 2015

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 293 Fuel-ups

  Property of le00di00

• 20.4 Avg MPG

• Family Hauler Sienna

  2015 Toyota Sienna 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2016 • 195 Fuel-ups

  Property of mvautour

• 17.8 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2016 • 172 Fuel-ups

  Property of SD

• 18.6 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2020 • 7 Fuel-ups

  Property of afi1

• 22.4 Avg MPG

• My Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2020 • 21 Fuel-ups

  Property of rachaelhubbard

• 19.6 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2017 • 322 Fuel-ups

  Property of mcadams1115

• 19.0 Avg MPG

• Candace

  2015 Toyota Sienna 3.5L V6 GAS Automatic 6 Speed
  Added Sep 2018 • 270 Fuel-ups

  Property of chadley

• 23.2 Avg MPG

• My Sienna15

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Nov 2019 • 33 Fuel-ups

  Property of lag1

• 20.6 Avg MPG

• Toyota Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Nov 2019 • 28 Fuel-ups

  Property of mojorisen71

• 26.3 Avg MPG

• My Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2019 • 91 Fuel-ups

  Property of victoriagracebaker

• 18.6 Avg MPG

• My Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added May 2019 • 35 Fuel-ups

  Property of AllMoneyN

• 19.8 Avg MPG

• 2015 Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Mar 2017 • 169 Fuel-ups

  Property of nmiller

• 20.5 Avg MPG

• Toyota Sienna 2015

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 88 Fuel-ups

  Property of chazzvader

• 20.3 Avg MPG

• Sienna

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2018 • 79 Fuel-ups

  Property of hallli

• 18.2 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2018 • 41 Fuel-ups

  Property of thanhein

• 18.0 Avg MPG

• 2015 sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2019 • 63 Fuel-ups

  Property of yoonwoo123

• 17.1 Avg MPG

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