Based on data from 90 vehicles, 8,362 fuel-ups and 2,350,832 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.46 with a 0.09 MPG margin of error.

Any Engine Type 3.5L V6 GAS (86) Any Body Style Mini Passenger Van (40) Any Submodel Base (1) L (1) SE Premium (3) Limited (5) SE (7) Limited Premium (9) XLE Premium (11) LE (13) XLE (40)

Below you can see a distribution of the fuel-ups with 166 outliers (1.95%) removed.

Following shows the average MPG of each of the 90 vehicles in the system.

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• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2023 • 88 Fuel-ups

  Property of Ssolanyk1

• 23.9 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2024 • 24 Fuel-ups

  Property of curwinagain

• 20.8 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 145 Fuel-ups

  Property of iamjinmann

• 22.4 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 223 Fuel-ups

  Property of liangchihao

• 18.8 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 387 Fuel-ups

  Property of Brendan

• 22.8 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 303 Fuel-ups

  Property of Isophetry

• 16.8 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2024 • 18 Fuel-ups

  Property of pjm10626

• 21.4 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 261 Fuel-ups

  Property of mindiwalters

• 21.3 Avg MPG

• Deb Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2023 • 34 Fuel-ups

  Property of DSRandolph53

• 21.3 Avg MPG

• Batvan

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2019 • 135 Fuel-ups

  Property of fna

• 20.8 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 284 Fuel-ups

  Property of wooska

• 21.8 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 92 Fuel-ups

  Property of opjar01

• 24.8 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2018 • 176 Fuel-ups

  Property of mattspits

• 21.9 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jan 2025 • 5 Fuel-ups

  Property of sachinpatelcars

• 21.3 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 534 Fuel-ups

  Property of brokethru

• 23.1 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 456 Fuel-ups

  Property of brengamgee

• 18.3 Avg MPG

• 18 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2021 • 251 Fuel-ups

  Property of jaharris67

• 20.9 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 298 Fuel-ups

  Property of pinoyxr

• 18.6 Avg MPG

• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 105 Fuel-ups

  Property of bigdadofsix

• 21.9 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 225 Fuel-ups

  Property of rugbymarine

• 23.5 Avg MPG

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