Based on data from 68 vehicles, 3,378 fuel-ups and 946,792 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.23 with a 0.15 MPG margin of error.

Any Engine Type 3.5L V6 GAS (64) Any Body Style Mini Passenger Van (29) Any Submodel L (1) Limited (4) SE (6) LE (6) XLE Premium (6) Limited Premium (7) XLE (38)

Below you can see a distribution of the fuel-ups with 51 outliers (1.49%) removed.

Following shows the average MPG of each of the 68 vehicles in the system.

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• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2019 • 72 Fuel-ups

  Property of Coreymccraw

• 20.5 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 100 Fuel-ups

  Property of almeisner

• 21.6 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2018 • 97 Fuel-ups

  Property of rspeters

• 19.8 Avg MPG

• Vanna Rouge

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 9 Fuel-ups

  Property of DieselBoy

• 21.2 Avg MPG

• My Sienna

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

  Property of prewchris

• 20.1 Avg MPG

• Sienna - 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2018 • 93 Fuel-ups

  Property of 4stringdon

• 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 • 37 Fuel-ups

  Property of jcXX

• 19.6 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 49 Fuel-ups

  Property of AliciaC82

• 19.5 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2020 • 6 Fuel-ups

  Property of Yourself

• 14.8 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 20 Fuel-ups

  Property of jswitze

• 22.5 Avg MPG

• Batvan

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2019 • 31 Fuel-ups

  Property of fna

• 19.8 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 99 Fuel-ups

  Property of pinoyxr

• 19.3 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE
  Added Jan 2018 • 156 Fuel-ups

  Property of doulamama

• 20.6 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 131 Fuel-ups

  Property of Brendan

• 21.8 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 193 Fuel-ups

  Property of brokethru

• 23.5 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 35 Fuel-ups

  Property of mindiwalters

• 20.9 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 29 Fuel-ups

  Property of wooska

• 20.9 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 52 Fuel-ups

  Property of brengamgee

• 19.1 Avg MPG

• 2018 Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Feb 2020 • 48 Fuel-ups

  Property of tomnmarlie

• 21.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 125 Fuel-ups

  Property of Joelyisthebest

• 19.5 Avg MPG

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