Based on data from 73 vehicles, 5,457 fuel-ups and 1,530,926 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.34 with a 0.12 MPG margin of error.

Any Engine Type 3.5L V6 GAS (69) Any Body Style Mini Passenger Van (33) Any Submodel Base (1) SE Premium (2) Limited (4) SE (6) XLE Premium (7) LE (8) Limited Premium (8) XLE (37)

Below you can see a distribution of the fuel-ups with 98 outliers (1.76%) removed.

Following shows the average MPG of each of the 73 vehicles in the system.

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• Med Van 03

  2018 Toyota Sienna 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2021 • 199 Fuel-ups

  Property of shawley2868

• 21.7 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 187 Fuel-ups

  Property of brengamgee

• 19.0 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 169 Fuel-ups

  Property of wooska

• 20.8 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 339 Fuel-ups

  Property of brokethru

• 23.5 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 172 Fuel-ups

  Property of AliciaC82

• 19.4 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 190 Fuel-ups

  Property of Joelyisthebest

• 19.7 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 139 Fuel-ups

  Property of Isophetry

• 17.6 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 241 Fuel-ups

  Property of Brendan

• 22.2 Avg MPG

• Swagger Wagon

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 106 Fuel-ups

  Property of brockeverly

• 22.1 Avg MPG

• 18 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2021 • 112 Fuel-ups

  Property of jaharris67

• 21.7 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 194 Fuel-ups

  Property of pinoyxr

• 18.8 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 181 Fuel-ups

  Property of prewchris

• 20.0 Avg MPG

• 18 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2019 • 181 Fuel-ups

  Property of Sellitwithjohn

• 24.9 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 134 Fuel-ups

  Property of mindiwalters

• 20.0 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 70 Fuel-ups

  Property of jswitze

• 21.3 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 85 Fuel-ups

  Property of rugbymarine

• 23.8 Avg MPG

• #Sienna nuevo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Nov 2018 • 81 Fuel-ups

  Property of Jetera

• 18.8 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 88 Fuel-ups

  Property of liangchihao

• 18.4 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 76 Fuel-ups

  Property of iamjinmann

• 23.4 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2022 • 18 Fuel-ups

  Property of brentyost

• 25.1 Avg MPG

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