Based on data from 32 vehicles, 1,665 fuel-ups and 445,108 miles of driving, the 1998 Toyota Sienna gets a combined Avg MPG of 18.65 with a 0.19 MPG margin of error.

Any Engine Type 3.0L V6 GAS (15) V6 GAS (16) Any Body Style Mini Passenger Van (8) Any Submodel CE (4) LE (11) Other (17)

Below you can see a distribution of the fuel-ups with 72 outliers (4.15%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

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• Toyotty

  1998 Toyota Sienna GAS V6
  Added Jul 2012 • 114 Fuel-ups

  Property of markjamesmurphy

• 17.3 Avg MPG

• My Sienna

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2021 • 31 Fuel-ups

  Property of RKlos

• 19.0 Avg MPG

• Sienna

  1998 Toyota Sienna CE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Jun 2021 • 42 Fuel-ups

  Property of bagel

• 19.9 Avg MPG

• 98 Sienna

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Jan 2018 • 46 Fuel-ups

  Property of benlees

• 19.6 Avg MPG

• My Sienna

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added May 2022 • 20 Fuel-ups

  Property of Dezarae

• 18.7 Avg MPG

• My Sienna

  1998 Toyota Sienna CE 3.0L V6 GAS Automatic 4 Speed
  Added Oct 2021 • 8 Fuel-ups

  Property of buddhabrian

• 18.6 Avg MPG

• My Sienna

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Apr 2019 • 5 Fuel-ups

  Property of wyattgrant7794

• 15.9 Avg MPG

• 98 Sienna

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Jan 2013 • 318 Fuel-ups

  Property of new2sub

• 19.5 Avg MPG

• Moby

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Feb 2013 • 293 Fuel-ups

  Property of retswerb

• 17.9 Avg MPG

• 1998 Toyota Sienna

  1998 Toyota Sienna V6 GAS
  Added Jan 2014 • 137 Fuel-ups

  Property of kammoshing

• 17.5 Avg MPG

• Toyota Sienna XLE 1998

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 200 Fuel-ups

  Property of JSWest

• 16.1 Avg MPG

• Monica

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Mar 2017 • 17 Fuel-ups

  Property of commyzthatdont

• 16.5 Avg MPG

• Sienna

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Apr 2017 • 34 Fuel-ups

  Property of majordojo

• 38.9 Avg MPG

• Van

  1998 Toyota Sienna GAS V6
  Added May 2013 • 59 Fuel-ups

  Property of Gulliver

• 30.5 Avg MPG

• Blue

  1998 Toyota Sienna CE 3.0L V6 GAS Automatic 4 Speed
  Added Apr 2018 • 15 Fuel-ups

  Property of jsnslow

• 19.7 Avg MPG

• Sienna

  1998 Toyota Sienna XLE
  Added Aug 2016 • 12 Fuel-ups

  Property of lexusvishal

• 19.6 Avg MPG

• sienna

  1998 Toyota Sienna GAS V6
  Added Jun 2013 • 40 Fuel-ups

  Property of phillypino215

• 16.2 Avg MPG

• Toyota Sienna

  1998 Toyota Sienna GAS V6
  Added Dec 2012 • 43 Fuel-ups

  Property of willw007

• 19.7 Avg MPG

• Toyota Sienna

  1998 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Mar 2015 • 3 Fuel-ups

  Property of jlien23

• 4.5 Avg MPG

• Elise's Van

  1998 Toyota Sienna GAS V6
  Added May 2014 • 15 Fuel-ups

  Property of jgamache

• 19.2 Avg MPG

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