Based on data from 88 vehicles, 8,068 fuel-ups and 2,269,757 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 (84) 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 (41)

Below you can see a distribution of the fuel-ups with 160 outliers (1.94%) removed.

Following shows the average MPG of each of the 88 vehicles in the system.

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• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 281 Fuel-ups

  Property of Isophetry

• 16.8 Avg MPG

• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 97 Fuel-ups

  Property of bigdadofsix

• 21.8 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 212 Fuel-ups

  Property of rugbymarine

• 23.5 Avg MPG

• My Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 9 Fuel-ups

  Property of ryu3000

• 21.1 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 195 Fuel-ups

  Property of liangchihao

• 18.8 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added May 2018 • 99 Fuel-ups

  Property of newbyld

• 18.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 517 Fuel-ups

  Property of brokethru

• 23.2 Avg MPG

• Batvan

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2019 • 125 Fuel-ups

  Property of fna

• 20.7 Avg MPG

• My Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 87 Fuel-ups

  Property of ctboston10

• 23.2 Avg MPG

• 2018 Sienna AWD XLE

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2019 • 112 Fuel-ups

  Property of jcXX

• 18.9 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2023 • 48 Fuel-ups

  Property of jrhackett2000

• 20.6 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2024 • 21 Fuel-ups

  Property of willfull04

• 21.8 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2024 • 17 Fuel-ups

  Property of curwinagain

• 22.1 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 83 Fuel-ups

  Property of opjar01

• 25.4 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2023 • 163 Fuel-ups

  Property of srparadis

• 15.3 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 134 Fuel-ups

  Property of iamjinmann

• 22.3 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna LE 3,5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2024 • 5 Fuel-ups

  Property of lessthanmore

• 22.1 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2022 • 42 Fuel-ups

  Property of brentyost

• 23.8 Avg MPG

• Big Pearl Van

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Mar 2018 • 185 Fuel-ups

  Property of priusrmb

• 20.7 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 219 Fuel-ups

  Property of Joelyisthebest

• 19.7 Avg MPG

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