Based on data from 66 vehicles, 3,272 fuel-ups and 917,906 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.26 with a 0.15 MPG margin of error.

Any Engine Type 3.5L V6 GAS (62) Any Body Style Mini Passenger Van (28) Any Submodel L (1) Limited (4) SE (5) LE (6) XLE Premium (6) Limited Premium (7) XLE (37)

Below you can see a distribution of the fuel-ups with 47 outliers (1.42%) removed.

Following shows the average MPG of each of the 66 vehicles in the system.

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• 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

• My Sienna

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

  Property of prewchris

• 20.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE
  Added Jan 2018 • 150 Fuel-ups

  Property of doulamama

• 20.6 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 36 Fuel-ups

  Property of AliciaC82

• 18.9 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 189 Fuel-ups

  Property of brokethru

• 23.6 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2020 • 3 Fuel-ups

  Property of Yourself

• 16.5 Avg MPG

• Hugo

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

  Property of Brendan

• 21.8 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2019 • 69 Fuel-ups

  Property of Coreymccraw

• 20.6 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 32 Fuel-ups

  Property of mindiwalters

• 21.0 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 47 Fuel-ups

  Property of brengamgee

• 19.2 Avg MPG

• the Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2019 • 60 Fuel-ups

  Property of ybmikey

• 18.7 Avg MPG

• Batvan

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2019 • 25 Fuel-ups

  Property of fna

• 19.9 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 95 Fuel-ups

  Property of pinoyxr

• 19.4 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2018 • 92 Fuel-ups

  Property of rspeters

• 19.6 Avg MPG

• 3 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 62 Fuel-ups

  Property of Isophetry

• 16.8 Avg MPG

• 2018 Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 35 Fuel-ups

  Property of bayarea2007

• 24.9 Avg MPG

• Sienna - 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2018 • 90 Fuel-ups

  Property of 4stringdon

• 20.2 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 26 Fuel-ups

  Property of wooska

• 21.0 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2018 • 103 Fuel-ups

  Property of mattspits

• 21.3 Avg MPG

• 2018 Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Feb 2020 • 43 Fuel-ups

  Property of tomnmarlie

• 21.3 Avg MPG

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