Based on data from 89 vehicles, 8,039 fuel-ups and 2,262,334 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 161 outliers (1.96%) removed.

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

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• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 194 Fuel-ups

  Property of liangchihao

• 18.8 Avg MPG

• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 243 Fuel-ups

  Property of mindiwalters

• 21.1 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2023 • 71 Fuel-ups

  Property of Ssolanyk1

• 24.1 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 513 Fuel-ups

  Property of brokethru

• 23.2 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2024 • 17 Fuel-ups

  Property of curwinagain

• 22.1 Avg MPG

• 18 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2021 • 238 Fuel-ups

  Property of jaharris67

• 21.1 Avg MPG

• Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 250 Fuel-ups

  Property of almeisner

• 22.0 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 211 Fuel-ups

  Property of rugbymarine

• 23.5 Avg MPG

• Violet

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

  Property of pinoyxr

• 18.6 Avg MPG

• Hugo

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Dec 2018 • 372 Fuel-ups

  Property of Brendan

• 22.8 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 431 Fuel-ups

  Property of brengamgee

• 18.3 Avg MPG

• TOYOTA Sienna

  2018 Toyota Sienna SE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2021 • 151 Fuel-ups

  Property of raymond0505

• 21.7 Avg MPG

• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 96 Fuel-ups

  Property of bigdadofsix

• 21.7 Avg MPG

• Sienna - 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2018 • 197 Fuel-ups

  Property of 4stringdon

• 19.4 Avg MPG

• 2018 Sienna XLE

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2019 • 166 Fuel-ups

  Property of jswitze

• 21.6 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added May 2024 • 17 Fuel-ups

  Property of bgd777

• 17.2 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 277 Fuel-ups

  Property of Isophetry

• 16.9 Avg MPG

• My Sienna

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

  Property of Albrie

• 19.1 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Apr 2021 • 83 Fuel-ups

  Property of opjar01

• 25.4 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 307 Fuel-ups

  Property of AliciaC82

• 19.2 Avg MPG

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