Based on data from 34 vehicles, 1,970 fuel-ups and 529,317 miles of driving, the 2020 Toyota Sienna gets a combined Avg MPG of 20.74 with a 0.18 MPG margin of error.

Any Engine Type 3.5L V6 GAS (28) V6 GAS (1) Any Body Style Mini Passenger Van (10) Any Submodel Base (1) Limited (1) CE (1) SE Premium (1) XLE Premium (1) Limited Premium (2) SE (3) LE (8) XLE (16)

Below you can see a distribution of the fuel-ups with 93 outliers (4.51%) removed.

Following shows the average MPG of each of the 34 vehicles in the system.

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• Blue Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2020 • 109 Fuel-ups

  Property of Wecline1

• 24.4 Avg MPG

• My Sienna Predawn Gray Mica/Bisque

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2020 • 129 Fuel-ups

  Property of kwrickman

• 20.3 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 72 Fuel-ups

  Property of adestinyglimmers

• 19.8 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 142 Fuel-ups

  Property of tabgrmi

• 24.5 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2021 • 75 Fuel-ups

  Property of 74Scout

• 20.8 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 97 Fuel-ups

  Property of batesi71

• 18.6 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 201 Fuel-ups

  Property of Bodine95

• 20.5 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2022 • 18 Fuel-ups

  Property of rwmlex

• 19.8 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 140 Fuel-ups

  Property of michaelh950

• 20.8 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 41 Fuel-ups

  Property of tbgree00

• 22.1 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2021 • 17 Fuel-ups

  Property of RSarfaty

• 17.6 Avg MPG

• Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2020 • 51 Fuel-ups

  Property of nbettger

• 21.7 Avg MPG

• Sienna LE 2020

  2020 Toyota Sienna LE
  Added Sep 2019 • 177 Fuel-ups

  Property of Polin2012

• 20.8 Avg MPG

• 2020 Toyota Sienna Van

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2021 • 87 Fuel-ups

  Property of tomnmarlie

• 22.0 Avg MPG

• Med Van 04

  2020 Toyota Sienna 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Sep 2021 • 16 Fuel-ups

  Property of shawley2868

• 26.1 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 25 Fuel-ups

  Property of DLG14305

• 18.2 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 125 Fuel-ups

  Property of Biodiesel99

• 21.1 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 95 Fuel-ups

  Property of jfhelbling

• 23.6 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 106 Fuel-ups

  Property of Kb2453

• 20.4 Avg MPG

• RISE UP

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 137 Fuel-ups

  Property of pcrinkydink

• 16.5 Avg MPG

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