Based on data from 89 vehicles, 8,016 fuel-ups and 2,255,953 miles of driving, the 2018 Toyota Sienna gets a combined Avg MPG of 20.47 with a 0.10 MPG margin of error.

Any Engine Type 3.5L V6 GAS (85) Any Body Style Mini Passenger Van (39) Any Submodel Base (1) L (1) SE Premium (3) Limited (5) SE (6) Limited Premium (8) XLE Premium (10) LE (13) XLE (42)

Below you can see a distribution of the fuel-ups with 160 outliers (1.96%) removed.

Following shows the average MPG of each of the 89 vehicles in the system.

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• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 429 Fuel-ups

  Property of brengamgee

• 18.3 Avg MPG

• Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2018 • 134 Fuel-ups

  Property of iamjinmann

• 22.3 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 276 Fuel-ups

  Property of Isophetry

• 16.9 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Aug 2023 • 47 Fuel-ups

  Property of jrhackett2000

• 20.7 Avg MPG

• Deb Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2023 • 26 Fuel-ups

  Property of DSRandolph53

• 21.5 Avg MPG

• Batvan

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2019 • 124 Fuel-ups

  Property of fna

• 20.7 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 510 Fuel-ups

  Property of brokethru

• 23.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 306 Fuel-ups

  Property of AliciaC82

• 19.2 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 371 Fuel-ups

  Property of Brendan

• 22.8 Avg MPG

• 18 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2021 • 236 Fuel-ups

  Property of jaharris67

• 21.1 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Aug 2022 • 42 Fuel-ups

  Property of brentyost

• 23.8 Avg MPG

• Big Pearl Van

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Mar 2018 • 185 Fuel-ups

  Property of priusrmb

• 20.7 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 242 Fuel-ups

  Property of mindiwalters

• 21.1 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 210 Fuel-ups

  Property of rugbymarine

• 23.5 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2024 • 19 Fuel-ups

  Property of willfull04

• 21.5 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 165 Fuel-ups

  Property of jswitze

• 21.6 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added May 2018 • 98 Fuel-ups

  Property of newbyld

• 18.2 Avg MPG

• My Sienna

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

  Property of Albrie

• 19.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2023 • 162 Fuel-ups

  Property of srparadis

• 15.3 Avg MPG

• TOYOTA Sienna

  2018 Toyota Sienna SE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2021 • 150 Fuel-ups

  Property of raymond0505

• 21.5 Avg MPG

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