Based on data from 89 vehicles, 8,016 fuel-ups and 2,255,953 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.47 with a 0.10 MPG margin of error.

Any Engine Type 3.5L V6 GAS (85) Any Body Style Mini Passenger Van (39) Any Submodel Base (1) L (1) SE Premium (3) Limited (5) SE (6) Limited Premium (8) XLE Premium (10) LE (13) XLE (42)

Below you can see a distribution of the fuel-ups with 160 outliers (1.96%) removed.

Following shows the average MPG of each of the 89 vehicles in the system.

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• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 66 Fuel-ups

  Property of amhaynes13

• 18.1 Avg MPG

• 2018 Toyota Sienna SE FWD

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Sep 2020 • 4 Fuel-ups

  Property of TK3

• 19.0 Avg MPG

• 2018 Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Feb 2020 • 48 Fuel-ups

  Property of tomnmarlie

• 21.2 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added May 2018 • 130 Fuel-ups

  Property of ericburn

• 22.0 Avg MPG

• Blue Van

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Mar 2020 • 14 Fuel-ups

  Property of Bluevan

• 25.1 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2019 • 86 Fuel-ups

  Property of DomesticLimo2018

• 20.0 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Sep 2020 • 4 Fuel-ups

  Property of Bniasoff

• 15.0 Avg MPG

• Rideshare Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2018 • 47 Fuel-ups

  Property of ERDC0735Van

• 23.0 Avg MPG

• Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2019 • 6 Fuel-ups

  Property of baxterm2002

• 115.6 Avg MPG

• SIENNA XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Sep 2019 • 11 Fuel-ups

  Property of greydogs

• 24.0 Avg MPG

• Silver

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2019 • 7 Fuel-ups

  Property of Jazums

• 22.1 Avg MPG

• Pearl

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Feb 2019 • 20 Fuel-ups

  Property of jacqueslecoq

• 22.2 Avg MPG

• sienna 2018

  2018 Toyota Sienna XLE
  Added Jan 2018 • 119 Fuel-ups

  Property of aaabbb

• 15.4 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2019 • 16 Fuel-ups

  Property of talanwright

• 19.1 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3,5L V6 GAS Automatic 8 Speed
  Added May 2019 • 8 Fuel-ups

  Property of mattfblue

• 24.6 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE
  Added Dec 2017 • 16 Fuel-ups

  Property of pkinney

• 25.6 Avg MPG

• 2018 Toyota

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Sep 2018 • 91 Fuel-ups

  Property of tomnmarlie

• 22.4 Avg MPG

• My Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2019 • 10 Fuel-ups

  Property of Jamesling

• 21.5 Avg MPG

• Charcoal Mist Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jul 2018 • 30 Fuel-ups

  Property of DanXaz

• 17.5 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 30 Fuel-ups

  Property of jayheer07

• 20.7 Avg MPG

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