Based on data from 88 vehicles, 8,152 fuel-ups and 2,293,609 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 161 outliers (1.94%) removed.

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

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• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 204 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 • 129 Fuel-ups

  Property of fna

• 20.7 Avg MPG

• Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2023 • 32 Fuel-ups

  Property of servion

• 21.6 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2023 • 79 Fuel-ups

  Property of Ssolanyk1

• 24.0 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2023 • 165 Fuel-ups

  Property of srparadis

• 15.4 Avg MPG

• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 100 Fuel-ups

  Property of bigdadofsix

• 21.8 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 278 Fuel-ups

  Property of wooska

• 21.4 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 291 Fuel-ups

  Property of pinoyxr

• 18.6 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 137 Fuel-ups

  Property of iamjinmann

• 22.2 Avg MPG

• #Sienna nuevo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2018 • 142 Fuel-ups

  Property of Jetera

• 19.3 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 168 Fuel-ups

  Property of jswitze

• 21.6 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 256 Fuel-ups

  Property of almeisner

• 22.0 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2023 • 51 Fuel-ups

  Property of jrhackett2000

• 20.6 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 379 Fuel-ups

  Property of Brendan

• 22.8 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 286 Fuel-ups

  Property of Isophetry

• 16.8 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 249 Fuel-ups

  Property of mindiwalters

• 21.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 318 Fuel-ups

  Property of AliciaC82

• 19.2 Avg MPG

• Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2022 • 27 Fuel-ups

  Property of Jlewis99

• 18.9 Avg MPG

• TOYOTA Sienna

  2018 Toyota Sienna SE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2021 • 156 Fuel-ups

  Property of raymond0505

• 22.3 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 523 Fuel-ups

  Property of brokethru

• 23.2 Avg MPG

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