Based on data from 83 vehicles, 7,462 fuel-ups and 2,096,888 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.41 with a 0.10 MPG margin of error.

Any Engine Type 3.5L V6 GAS (79) Any Body Style Mini Passenger Van (37) Any Submodel Base (1) SE Premium (2) Limited (4) SE (6) Limited Premium (8) XLE Premium (10) LE (11) XLE (41)

Below you can see a distribution of the fuel-ups with 146 outliers (1.92%) removed.

Following shows the average MPG of each of the 83 vehicles in the system.

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• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 144 Fuel-ups

  Property of jswitze

• 21.0 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2020 • 98 Fuel-ups

  Property of Yourself

• 17.0 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 240 Fuel-ups

  Property of Isophetry

• 16.9 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 338 Fuel-ups

  Property of Brendan

• 22.6 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 366 Fuel-ups

  Property of brengamgee

• 18.4 Avg MPG

• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 77 Fuel-ups

  Property of bigdadofsix

• 21.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 262 Fuel-ups

  Property of prewchris

• 20.1 Avg MPG

• 2018 Sienna AWD XLE

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2019 • 105 Fuel-ups

  Property of jcXX

• 18.9 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added May 2018 • 89 Fuel-ups

  Property of newbyld

• 18.3 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 114 Fuel-ups

  Property of iamjinmann

• 22.5 Avg MPG

• TOYOTA Sienna

  2018 Toyota Sienna SE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2021 • 123 Fuel-ups

  Property of raymond0505

• 21.0 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 473 Fuel-ups

  Property of brokethru

• 23.4 Avg MPG

• Sienna - 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2018 • 182 Fuel-ups

  Property of 4stringdon

• 19.4 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2023 • 28 Fuel-ups

  Property of Ssolanyk1

• 23.1 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 174 Fuel-ups

  Property of liangchihao

• 18.8 Avg MPG

• Batvan

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2019 • 111 Fuel-ups

  Property of fna

• 20.3 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2023 • 24 Fuel-ups

  Property of jrhackett2000

• 20.1 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 221 Fuel-ups

  Property of mindiwalters

• 21.0 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2020 • 106 Fuel-ups

  Property of kmm7777

• 22.1 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 269 Fuel-ups

  Property of AliciaC82

• 19.2 Avg MPG

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