Based on data from 40 vehicles, 4,972 fuel-ups and 1,307,011 miles of driving, the 2020 Toyota Sienna gets a combined Avg MPG of 20.78 with a 0.12 MPG margin of error.

Any Engine Type 3.5L V6 GAS (36) V6 GAS (1) Any Body Style Mini Passenger Van (11) Any Submodel Base (1) Limited (1) CE (1) SE Premium (1) XLE Premium (1) Limited Premium (2) SE (4) LE (7) XLE (22)

Below you can see a distribution of the fuel-ups with 229 outliers (4.40%) removed.

Following shows the average MPG of each of the 40 vehicles in the system.

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• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 274 Fuel-ups

  Property of tabgrmi

• 24.3 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 383 Fuel-ups

  Property of Biodiesel99

• 21.6 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 133 Fuel-ups

  Property of tbgree00

• 23.7 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2023 • 261 Fuel-ups

  Property of TomEz

• 24.6 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 474 Fuel-ups

  Property of Bodine95

• 20.5 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2023 • 179 Fuel-ups

  Property of ktmachayan

• 19.9 Avg MPG

• 2020 Toyota Sienna Van

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2021 • 254 Fuel-ups

  Property of tomnmarlie

• 22.4 Avg MPG

• Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2020 • 125 Fuel-ups

  Property of nbettger

• 21.6 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2021 • 100 Fuel-ups

  Property of RSarfaty

• 17.7 Avg MPG

• Sienna LE 2020

  2020 Toyota Sienna LE
  Added Sep 2019 • 368 Fuel-ups

  Property of Polin2012

• 20.6 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 266 Fuel-ups

  Property of 74Scout

• 20.5 Avg MPG

• Bev

  2020 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 186 Fuel-ups

  Property of DCTraveler

• 20.4 Avg MPG

• Blue Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2020 • 258 Fuel-ups

  Property of Wecline1

• 24.2 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 260 Fuel-ups

  Property of batesi71

• 19.3 Avg MPG

• Staypuff marshmallow van

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2024 • 33 Fuel-ups

  Property of olblue84

• 23.7 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 311 Fuel-ups

  Property of michaelh950

• 21.2 Avg MPG

• !2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2024 • 29 Fuel-ups

  Property of freeland1003

• 19.3 Avg MPG

• RISE UP

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 306 Fuel-ups

  Property of pcrinkydink

• 17.3 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2024 • 45 Fuel-ups

  Property of bbrooks357

• 19.1 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 299 Fuel-ups

  Property of Kb2453

• 19.6 Avg MPG

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