Based on data from 39 vehicles, 4,640 fuel-ups and 1,231,772 miles of driving, the 2020 Toyota Sienna gets a combined Avg MPG of 20.90 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 (4.13%) removed.

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

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• 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 Jun 2020 • 238 Fuel-ups

  Property of batesi71

• 19.4 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2020 • 228 Fuel-ups

  Property of adestinyglimmers

• 20.9 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE
  Added Dec 2019 • 98 Fuel-ups

  Property of tbgree00

• 23.1 Avg MPG

• Toyota Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2020 • 113 Fuel-ups

  Property of nbettger

• 21.7 Avg MPG

• Blue Sienna

  2020 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2020 • 238 Fuel-ups

  Property of Wecline1

• 24.1 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

• Staypuff marshmallow van

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2024 • 4 Fuel-ups

  Property of olblue84

• 21.4 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2023 • 144 Fuel-ups

  Property of ktmachayan

• 20.1 Avg MPG

• 2020 Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 437 Fuel-ups

  Property of Bodine95

• 20.5 Avg MPG

• RISE UP

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 274 Fuel-ups

  Property of pcrinkydink

• 17.4 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 249 Fuel-ups

  Property of tabgrmi

• 24.4 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2024 • 23 Fuel-ups

  Property of bbrooks357

• 19.3 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2021 • 270 Fuel-ups

  Property of Kb2453

• 19.4 Avg MPG

• Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 236 Fuel-ups

  Property of 74Scout

• 20.4 Avg MPG

• Sienna-George's

  2020 Toyota Sienna SE Premium V6 GAS Automatic 7 Speed Mini Passenger Van
  Added Nov 2019 • 85 Fuel-ups

  Property of nebugeorge

• 21.8 Avg MPG

• My Sienna

  2020 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2023 • 243 Fuel-ups

  Property of TomEz

• 24.6 Avg MPG

• Sienna LE 2020

  2020 Toyota Sienna LE
  Added Sep 2019 • 340 Fuel-ups

  Property of Polin2012

• 20.7 Avg MPG

• 2020 Toyota Sienna

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

  Property of jfhelbling

• 23.8 Avg MPG

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