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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• Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Sep 2015 • 29 Fuel-ups

  Property of Harryb49

• 21.3 Avg MPG

• Family Van

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Jan 2015 • 24 Fuel-ups

  Property of ska737

• 20.0 Avg MPG

• Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 148 Fuel-ups

  Property of suprkari

• 17.1 Avg MPG

• 2015 Sienna LE

  2015 Toyota Sienna LE 3.5L GAS V6 Automatic 6 Mini Passenger Van (5 Door)
  Added Mar 2015 • 86 Fuel-ups

  Property of drewhosick

• 22.1 Avg MPG

• John

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added Feb 2018 • 345 Fuel-ups

  Property of chamorro

• 23.7 Avg MPG

• Sienna

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Mar 2018 • 11 Fuel-ups

  Property of brent419

• 19.8 Avg MPG

• Toyota Sienna 2015

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Aug 2016 • 38 Fuel-ups

  Property of Airstrike

• 16.3 Avg MPG

• Toyota Siena

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 454 Fuel-ups

  Property of etrimpe

• 20.5 Avg MPG

• Rent 2015-2

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

  Property of le00di00

• 22.5 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed
  Added Oct 2015 • 3 Fuel-ups

  Property of bubba513

• 17.5 Avg MPG

• Tania

  2015 Toyota Sienna XLE 3.5L V6 GAS Automatic 6 Speed
  Added Apr 2017 • 108 Fuel-ups

  Property of dekiewiet

• 21.3 Avg MPG

• 1 Less SUV

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Mini Passenger Van (5 Door)
  Added May 2015 • 27 Fuel-ups

  Property of Brendan

• 21.9 Avg MPG

• The Black Diamond

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Mini Passenger Van (5 Door)
  Added Jun 2015 • 8 Fuel-ups

  Property of brepublic

• 21.2 Avg MPG

• Rent 2015

  2015 Toyota Sienna LE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Oct 2017 • 11 Fuel-ups

  Property of le00di00

• 22.3 Avg MPG

• Amanita

  2015 Toyota Sienna LE 3.5L GAS V6 Automatic 6
  Added May 2015 • 10 Fuel-ups

  Property of Peakoil

• 20.0 Avg MPG

• My Sienna

  2015 Toyota Sienna SE 3.5L GAS V6 Automatic 6 Mini Passenger Van (4 Door)
  Added May 2015 • 5 Fuel-ups

  Property of Janbear

• 19.1 Avg MPG

• Rental Sienna

  2015 Toyota Sienna LE 3.5L GAS V6 Automatic 6 Mini Passenger Van (4 Door)
  Added Jun 2015 • 12 Fuel-ups

  Property of bryanmabbott

• 23.4 Avg MPG

• Black Beauty

  2015 Toyota Sienna XLE 3.5L GAS V6 Automatic 6 Mini Passenger Van (5 Door)
  Added Feb 2015 • 47 Fuel-ups

  Property of cabman

• 21.8 Avg MPG

• Money Maker

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

  Property of cabman

• 21.0 Avg MPG

• Sienna

  2015 Toyota Sienna Limited 3.5L V6 GAS Automatic 6 Speed
  Added May 2018 • 4 Fuel-ups

  Property of amcgowan

• 37.6 Avg MPG

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