Based on data from 88 vehicles, 8,058 fuel-ups and 2,267,231 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 (84) 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 (41)

Below you can see a distribution of the fuel-ups with 160 outliers (1.95%) removed.

Following shows the average MPG of each of the 88 vehicles in the system.

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• My Sienna

  2018 Toyota Sienna SE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2020 • 246 Fuel-ups

  Property of mindiwalters

• 21.2 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added May 2020 • 312 Fuel-ups

  Property of AliciaC82

• 19.2 Avg MPG

• Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added May 2023 • 31 Fuel-ups

  Property of servion

• 21.6 Avg MPG

• Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Apr 2018 • 95 Fuel-ups

  Property of redsonfire

• 21.3 Avg MPG

• TOYOTA Sienna

  2018 Toyota Sienna SE Premium 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jun 2021 • 154 Fuel-ups

  Property of raymond0505

• 21.7 Avg MPG

• Violet

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Oct 2018 • 285 Fuel-ups

  Property of pinoyxr

• 18.6 Avg MPG

• Minnie

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed Mini Passenger Van
  Added Jan 2020 • 274 Fuel-ups

  Property of wooska

• 21.5 Avg MPG

• Deb Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2023 • 27 Fuel-ups

  Property of DSRandolph53

• 21.5 Avg MPG

• Sienna - 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Mar 2018 • 198 Fuel-ups

  Property of 4stringdon

• 19.4 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE Premium 3.5L V6 GAS Automatic 8 Speed
  Added Oct 2019 • 435 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 • 241 Fuel-ups

  Property of jaharris67

• 20.9 Avg MPG

• 1 Sienna

  2018 Toyota Sienna Limited 3.5L V6 GAS Automatic 8 Speed
  Added Jul 2018 • 281 Fuel-ups

  Property of Isophetry

• 16.8 Avg MPG

• My Sienna

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

  Property of Albrie

• 19.0 Avg MPG

• Sienna XLE 2018

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Nov 2020 • 97 Fuel-ups

  Property of bigdadofsix

• 21.8 Avg MPG

• 2018 Red Sienna LE FWD

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2021 • 212 Fuel-ups

  Property of rugbymarine

• 23.5 Avg MPG

• My Sienna

  2018 Toyota Sienna LE 3.5L V6 GAS Automatic 8 Speed
  Added Feb 2024 • 9 Fuel-ups

  Property of ryu3000

• 21.1 Avg MPG

• My Sienna

  2018 Toyota Sienna Limited Premium 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2020 • 195 Fuel-ups

  Property of liangchihao

• 18.8 Avg MPG

• 2018 Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added May 2018 • 99 Fuel-ups

  Property of newbyld

• 18.2 Avg MPG

• Toyota Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Dec 2023 • 72 Fuel-ups

  Property of Ssolanyk1

• 24.0 Avg MPG

• My Sienna

  2018 Toyota Sienna XLE 3.5L V6 GAS Automatic 8 Speed
  Added Jun 2018 • 517 Fuel-ups

  Property of brokethru

• 23.2 Avg MPG

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