Based on data from 72 vehicles, 5,105 fuel-ups and 1,432,229 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.27 with a 0.12 MPG margin of error.

Any Engine Type 3.5L V6 GAS (68) Any Body Style Mini Passenger Van (32) Any Submodel Base (1) SE Premium (2) Limited (4) SE (6) LE (7) XLE Premium (7) Limited Premium (8) XLE (37)

Below you can see a distribution of the fuel-ups with 85 outliers (1.64%) removed.

Following shows the average MPG of each of the 72 vehicles in the system.

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• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 124 Fuel-ups

  Property of Isophetry

• 17.5 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 121 Fuel-ups

  Property of mindiwalters

• 19.8 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 138 Fuel-ups

  Property of wooska

• 20.6 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE
  Added Jan 2018 • 219 Fuel-ups

  Property of doulamama

• 20.4 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 316 Fuel-ups

  Property of brokethru

• 23.6 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 157 Fuel-ups

  Property of brengamgee

• 19.1 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 71 Fuel-ups

  Property of liangchihao

• 18.1 Avg MPG

• My Sienna

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

  Property of mattspits

• 21.6 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 75 Fuel-ups

  Property of rugbymarine

• 23.8 Avg MPG

• Med Van 03

  2018 Toyota Sienna 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2021 • 159 Fuel-ups

  Property of shawley2868

• 21.5 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 64 Fuel-ups

  Property of jswitze

• 21.5 Avg MPG

• Violet

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

  Property of pinoyxr

• 18.9 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 157 Fuel-ups

  Property of AliciaC82

• 19.6 Avg MPG

• Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2018 • 65 Fuel-ups

  Property of redsonfire

• 21.1 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Sep 2018 • 167 Fuel-ups

  Property of prewchris

• 19.9 Avg MPG

• Big Pearl Van

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Mar 2018 • 124 Fuel-ups

  Property of priusrmb

• 21.0 Avg MPG

• Sienna - 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2018 • 132 Fuel-ups

  Property of 4stringdon

• 19.4 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2020 • 55 Fuel-ups

  Property of kmm7777

• 22.7 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 65 Fuel-ups

  Property of iamjinmann

• 23.3 Avg MPG

• Mini VanSienna 2.0

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2021 • 29 Fuel-ups

  Property of Trini2dBone

• 22.1 Avg MPG

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