Based on data from 37 vehicles, 4,063 fuel-ups and 1,077,311 miles of driving, the 2020 Toyota Sienna gets a combined Avg MPG of 20.93 with a 0.14 MPG margin of error.

Any Engine Type 3.5L V6 GAS (32) 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 (18)

Below you can see a distribution of the fuel-ups with 112 outliers (2.68%) removed.

Following shows the average MPG of each of the 37 vehicles in the system.

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• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 232 Fuel-ups

  Property of Kb2453

• 19.4 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 380 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 Apr 2021 • 197 Fuel-ups

  Property of 74Scout

• 20.4 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 210 Fuel-ups

  Property of batesi71

• 19.4 Avg MPG

• Bev

  2020 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 145 Fuel-ups

  Property of DCTraveler

• 20.4 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2021 • 27 Fuel-ups

  Property of NavyGuyAN

• 25.2 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2023 • 226 Fuel-ups

  Property of TomEz

• 24.7 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 252 Fuel-ups

  Property of michaelh950

• 21.4 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2023 • 93 Fuel-ups

  Property of ktmachayan

• 19.9 Avg MPG

• Sienna LE 2020

  2020 Toyota Sienna LE
  Added Sep 2019 • 303 Fuel-ups

  Property of Polin2012

• 20.7 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 226 Fuel-ups

  Property of tabgrmi

• 24.4 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 292 Fuel-ups

  Property of Biodiesel99

• 21.5 Avg MPG

• 2020 Toyota Sienna Van

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2021 • 196 Fuel-ups

  Property of tomnmarlie

• 23.0 Avg MPG

• RISE UP

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 240 Fuel-ups

  Property of pcrinkydink

• 17.5 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 172 Fuel-ups

  Property of adestinyglimmers

• 20.8 Avg MPG

• My Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2021 • 66 Fuel-ups

  Property of RSarfaty

• 17.4 Avg MPG

• Blue Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2020 • 206 Fuel-ups

  Property of Wecline1

• 24.2 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 83 Fuel-ups

  Property of tbgree00

• 23.3 Avg MPG

• 2020 Toyota Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 181 Fuel-ups

  Property of jfhelbling

• 23.7 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 42 Fuel-ups

  Property of DLG14305

• 17.8 Avg MPG

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