Based on data from 79 vehicles, 6,778 fuel-ups and 1,904,245 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.40 with a 0.10 MPG margin of error.

Any Engine Type 3.5L V6 GAS (75) Any Body Style Mini Passenger Van (37) Any Submodel Base (1) SE Premium (2) Limited (4) SE (6) Limited Premium (8) XLE Premium (9) LE (10) XLE (39)

Below you can see a distribution of the fuel-ups with 137 outliers (1.98%) removed.

Following shows the average MPG of each of the 79 vehicles in the system.

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• Sienna - 2018

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

  Property of 4stringdon

• 19.4 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 427 Fuel-ups

  Property of brokethru

• 23.5 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 242 Fuel-ups

  Property of pinoyxr

• 18.9 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 300 Fuel-ups

  Property of Brendan

• 22.5 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 112 Fuel-ups

  Property of jswitze

• 21.0 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2018 • 157 Fuel-ups

  Property of mattspits

• 21.7 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2020 • 84 Fuel-ups

  Property of Yourself

• 17.3 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 211 Fuel-ups

  Property of wooska

• 21.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 233 Fuel-ups

  Property of prewchris

• 20.0 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 203 Fuel-ups

  Property of Isophetry

• 17.3 Avg MPG

• TOYOTA Sienna

  2018 Toyota Sienna SE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2021 • 91 Fuel-ups

  Property of raymond0505

• 21.4 Avg MPG

• Big Pearl Van

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Mar 2018 • 164 Fuel-ups

  Property of priusrmb

• 20.9 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 235 Fuel-ups

  Property of AliciaC82

• 19.2 Avg MPG

• Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2018 • 83 Fuel-ups

  Property of redsonfire

• 20.8 Avg MPG

• Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2023 • 9 Fuel-ups

  Property of servion

• 21.2 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 189 Fuel-ups

  Property of mindiwalters

• 20.7 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2023 • 4 Fuel-ups

  Property of jrhackett2000

• 20.9 Avg MPG

• 18 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2021 • 180 Fuel-ups

  Property of jaharris67

• 21.3 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 98 Fuel-ups

  Property of iamjinmann

• 23.0 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 284 Fuel-ups

  Property of brengamgee

• 18.5 Avg MPG

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