Based on data from 38 vehicles, 4,560 fuel-ups and 1,212,452 miles of driving, the 2020 Toyota Sienna gets a combined Avg MPG of 20.94 with a 0.13 MPG margin of error.

Any Engine Type 3.5L V6 GAS (34) 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 (19)

Below you can see a distribution of the fuel-ups with 127 outliers (2.71%) removed.

Following shows the average MPG of each of the 38 vehicles in the system.

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• 2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 427 Fuel-ups

  Property of Bodine95

• 20.5 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2024 • 14 Fuel-ups

  Property of bbrooks357

• 19.1 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 279 Fuel-ups

  Property of michaelh950

• 21.3 Avg MPG

• Sienna LE 2020

  2020 Toyota Sienna LE
  Added Sep 2019 • 334 Fuel-ups

  Property of Polin2012

• 20.7 Avg MPG

• Blue Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2020 • 233 Fuel-ups

  Property of Wecline1

• 24.1 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 232 Fuel-ups

  Property of batesi71

• 19.5 Avg MPG

• RISE UP

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 267 Fuel-ups

  Property of pcrinkydink

• 17.8 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2021 • 84 Fuel-ups

  Property of RSarfaty

• 17.7 Avg MPG

• Bev

  2020 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 164 Fuel-ups

  Property of DCTraveler

• 20.4 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 256 Fuel-ups

  Property of Kb2453

• 19.4 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 92 Fuel-ups

  Property of tbgree00

• 23.1 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 230 Fuel-ups

  Property of 74Scout

• 20.4 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 202 Fuel-ups

  Property of jfhelbling

• 23.8 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 246 Fuel-ups

  Property of tabgrmi

• 24.5 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 208 Fuel-ups

  Property of adestinyglimmers

• 20.9 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2023 • 240 Fuel-ups

  Property of TomEz

• 24.7 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 46 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 • 226 Fuel-ups

  Property of tomnmarlie

• 22.5 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 329 Fuel-ups

  Property of Biodiesel99

• 21.5 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2023 • 133 Fuel-ups

  Property of ktmachayan

• 20.1 Avg MPG

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