Based on data from 39 vehicles, 4,671 fuel-ups and 1,238,521 miles of driving, the 2020 Toyota Sienna gets a combined Avg MPG of 20.89 with a 0.12 MPG margin of error.

Any Engine Type 3.5L V6 GAS (35) 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 (4) LE (8) XLE (20)

Below you can see a distribution of the fuel-ups with 200 outliers (4.11%) removed.

Following shows the average MPG of each of the 39 vehicles in the system.

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• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 233 Fuel-ups

  Property of adestinyglimmers

• 20.9 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 349 Fuel-ups

  Property of Biodiesel99

• 21.5 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 239 Fuel-ups

  Property of 74Scout

• 20.5 Avg MPG

• Staypuff marshmallow van

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2024 • 5 Fuel-ups

  Property of olblue84

• 21.9 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 100 Fuel-ups

  Property of tbgree00

• 23.1 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2023 • 244 Fuel-ups

  Property of TomEz

• 24.6 Avg MPG

• Sienna LE 2020

  2020 Toyota Sienna LE
  Added Sep 2019 • 343 Fuel-ups

  Property of Polin2012

• 20.7 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2023 • 146 Fuel-ups

  Property of ktmachayan

• 20.1 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 239 Fuel-ups

  Property of batesi71

• 19.4 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 438 Fuel-ups

  Property of Bodine95

• 20.5 Avg MPG

• Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2020 • 114 Fuel-ups

  Property of nbettger

• 21.6 Avg MPG

• Blue Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2020 • 239 Fuel-ups

  Property of Wecline1

• 24.1 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 48 Fuel-ups

  Property of DLG14305

• 17.7 Avg MPG

• 2020 Toyota Sienna Van

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2021 • 235 Fuel-ups

  Property of tomnmarlie

• 22.4 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2024 • 24 Fuel-ups

  Property of bbrooks357

• 19.3 Avg MPG

• RISE UP

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 275 Fuel-ups

  Property of pcrinkydink

• 17.4 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 271 Fuel-ups

  Property of Kb2453

• 19.4 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 287 Fuel-ups

  Property of michaelh950

• 21.3 Avg MPG

• Bev

  2020 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 168 Fuel-ups

  Property of DCTraveler

• 20.4 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2021 • 87 Fuel-ups

  Property of RSarfaty

• 17.7 Avg MPG

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