Based on data from 155 vehicles, 14,577 fuel-ups and 3,871,279 miles of driving, the 2017 Toyota Sienna gets a combined Avg MPG of 20.45 with a 0.07 MPG margin of error.

Any Engine Type 3.5L V6 GAS (154) Any Body Style Mini Passenger Van (58) Standard Passenger Van (1) Any Submodel CE (1) L (3) Limited (13) SE (15) LE (46) XLE (76) Other (1)

Below you can see a distribution of the fuel-ups with 547 outliers (3.62%) removed.

Following shows the average MPG of each of the 155 vehicles in the system.

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• Sienna XLE Salsa Red Pearl /Ash

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2017 • 109 Fuel-ups

  Property of kwrickman

• 18.9 Avg MPG

• My Sienna

  2017 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2018 • 14 Fuel-ups

  Property of payluder

• 15.6 Avg MPG

• My Sienna

  2017 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2020 • 5 Fuel-ups

  Property of SRamos1124

• 10.1 Avg MPG

• Cyndi's Sienna

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2017 • 102 Fuel-ups

  Property of FlashPrime

• 19.6 Avg MPG

• Sienna2017

  2017 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 145 Fuel-ups

  Property of nomade1999

• 17.1 Avg MPG

• Vader

  2017 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2018 • 5 Fuel-ups

  Property of apns

• 5.1 Avg MPG

• Sienna

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2016 • 253 Fuel-ups

  Property of hfog

• 18.4 Avg MPG

• 2017 Toyota Sienna

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2017 • 25 Fuel-ups

  Property of slabshaft

• 24.2 Avg MPG

• Christian Grey

  2017 Toyota Sienna SE 3.5L V6 GAS Automatic 6 Speed Mini Passenger Van
  Added Aug 2018 • 130 Fuel-ups

  Property of mjpongan

• 19.1 Avg MPG

• 2017 Sienna

  2017 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2017 • 144 Fuel-ups

  Property of madtrader

• 20.6 Avg MPG

• labsrok

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2013 • 229 Fuel-ups

  Property of oldfart

• 22.4 Avg MPG

• 2017 Sienna

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Mar 2018 • 160 Fuel-ups

  Property of jhershcopf

• 21.5 Avg MPG

• Van 3

  2017 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added May 2019 • 10 Fuel-ups

  Property of PLC_Vans

• 16.1 Avg MPG

• Finally fits

  2017 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2017 • 90 Fuel-ups

  Property of shebert

• 20.4 Avg MPG

• My Sienna

  2017 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2019 • 37 Fuel-ups

  Property of JenHen1978

• 21.5 Avg MPG

• Sienna

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Feb 2018 • 64 Fuel-ups

  Property of rspydet

• 20.2 Avg MPG

• Sienna2

  2017 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added May 2019 • 3 Fuel-ups

  Property of KKCC

• 20.3 Avg MPG

• Sienna

  2017 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2018 • 34 Fuel-ups

  Property of DuncanSutton

• 18.7 Avg MPG

• Sienna

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2017 • 221 Fuel-ups

  Property of dougebanks

• 23.2 Avg MPG

• 2017 Toyota Sienna

  2017 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2016 • 82 Fuel-ups

  Property of Parth_Patel

• 27.4 Avg MPG

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