Based on data from 93 vehicles, 8,579 fuel-ups and 2,416,237 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.48 with a 0.09 MPG margin of error.

Any Engine Type 3.5L V6 GAS (89) Any Body Style Mini Passenger Van (43) Any Submodel Base (1) L (1) SE Premium (3) Limited (5) SE (7) Limited Premium (10) XLE Premium (12) LE (14) XLE (40)

Below you can see a distribution of the fuel-ups with 272 outliers (3.07%) removed.

Following shows the average MPG of each of the 93 vehicles in the system.

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• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 294 Fuel-ups

  Property of wooska

• 21.0 Avg MPG

• Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2023 • 41 Fuel-ups

  Property of servion

• 14.7 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2024 • 30 Fuel-ups

  Property of pjm10626

• 21.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 558 Fuel-ups

  Property of brokethru

• 23.1 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 272 Fuel-ups

  Property of almeisner

• 22.0 Avg MPG

• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 116 Fuel-ups

  Property of bigdadofsix

• 22.1 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2023 • 100 Fuel-ups

  Property of Ssolanyk1

• 23.6 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 190 Fuel-ups

  Property of jswitze

• 21.3 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2024 • 27 Fuel-ups

  Property of curwinagain

• 20.3 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 247 Fuel-ups

  Property of liangchihao

• 18.9 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 484 Fuel-ups

  Property of brengamgee

• 18.3 Avg MPG

• My Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 25 Fuel-ups

  Property of ryu3000

• 22.0 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 236 Fuel-ups

  Property of rugbymarine

• 23.4 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2024 • 42 Fuel-ups

  Property of willfull04

• 21.6 Avg MPG

• My Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2019 • 91 Fuel-ups

  Property of ctboston10

• 23.2 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 306 Fuel-ups

  Property of pinoyxr

• 18.6 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 319 Fuel-ups

  Property of Isophetry

• 16.8 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Mar 2025 • 4 Fuel-ups

  Property of Jim_N7RDN

• 20.0 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2023 • 67 Fuel-ups

  Property of jrhackett2000

• 20.6 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2018 • 179 Fuel-ups

  Property of mattspits

• 21.9 Avg MPG

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