Based on data from 90 vehicles, 8,286 fuel-ups and 2,330,510 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.47 with a 0.09 MPG margin of error.

Any Engine Type 3.5L V6 GAS (86) Any Body Style Mini Passenger Van (39) Any Submodel Base (1) L (1) SE Premium (3) Limited (5) SE (6) Limited Premium (9) XLE Premium (11) LE (13) XLE (41)

Below you can see a distribution of the fuel-ups with 165 outliers (1.95%) removed.

Following shows the average MPG of each of the 90 vehicles in the system.

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• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 104 Fuel-ups

  Property of bigdadofsix

• 21.9 Avg MPG

• #Sienna nuevo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2018 • 144 Fuel-ups

  Property of Jetera

• 19.3 Avg MPG

• TOYOTA Sienna

  2018 Toyota Sienna SE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2021 • 162 Fuel-ups

  Property of raymond0505

• 22.2 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 297 Fuel-ups

  Property of pinoyxr

• 18.6 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 326 Fuel-ups

  Property of AliciaC82

• 19.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2025 • 3 Fuel-ups

  Property of sachinpatelcars

• 20.5 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 171 Fuel-ups

  Property of jswitze

• 21.6 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 384 Fuel-ups

  Property of Brendan

• 22.8 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 452 Fuel-ups

  Property of brengamgee

• 18.3 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 261 Fuel-ups

  Property of almeisner

• 21.9 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 529 Fuel-ups

  Property of brokethru

• 23.2 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 220 Fuel-ups

  Property of rugbymarine

• 23.5 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 88 Fuel-ups

  Property of opjar01

• 25.4 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 295 Fuel-ups

  Property of Isophetry

• 16.8 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2024 • 12 Fuel-ups

  Property of pjm10626

• 22.6 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2023 • 54 Fuel-ups

  Property of jrhackett2000

• 20.5 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2023 • 167 Fuel-ups

  Property of srparadis

• 15.4 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 218 Fuel-ups

  Property of liangchihao

• 18.9 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2023 • 83 Fuel-ups

  Property of Ssolanyk1

• 23.9 Avg MPG

• Deb Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2023 • 32 Fuel-ups

  Property of DSRandolph53

• 21.5 Avg MPG

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