Based on data from 65 vehicles, 3,261 fuel-ups and 914,625 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 (61) Any Body Style Mini Passenger Van (27) Any Submodel L (1) Limited (4) SE (5) LE (6) Limited Premium (6) XLE Premium (6) 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 65 vehicles in the system.

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• 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

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 124 Fuel-ups

  Property of Joelyisthebest

• 19.5 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 35 Fuel-ups

  Property of AliciaC82

• 18.9 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 124 Fuel-ups

  Property of Brendan

• 21.9 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

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 97 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 • 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 SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 31 Fuel-ups

  Property of mindiwalters

• 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

• My Sienna

  2018 Toyota Sienna XLE
  Added Jan 2018 • 149 Fuel-ups

  Property of doulamama

• 20.6 Avg MPG

• 18 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2019 • 95 Fuel-ups

  Property of Sellitwithjohn

• 23.7 Avg MPG

• My Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 26 Fuel-ups

  Property of ctboston10

• 24.1 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2019 • 68 Fuel-ups

  Property of Coreymccraw

• 20.6 Avg MPG

• 2018 Sienna AWD XLE

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2019 • 33 Fuel-ups

  Property of jcXX

• 19.8 Avg MPG

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