Based on data from 185 vehicles, 22,059 fuel-ups and 5,902,060 miles of driving, the 2008 Toyota Sienna gets a combined Avg MPG of 19.28 with a 0.05 MPG margin of error.

Any Engine Type 3.5L V6 GAS (165) V6 GAS (18) Any Body Style Mini Passenger Van (61) Any Submodel Limited (14) CE (30) XLE (42) LE (81) Other (18)

Below you can see a distribution of the fuel-ups with 978 outliers (4.25%) removed.

Following shows the average MPG of each of the 185 vehicles in the system.

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• 2008 Sienna

  2008 Toyota Sienna XLE 3.5L V6 GAS Automatic 5 Speed
  Added Aug 2015 • 142 Fuel-ups

  Property of johnmharte

• 16.6 Avg MPG

• Sienna

  2008 Toyota Sienna LE
  Added Jul 2018 • 16 Fuel-ups

  Property of jacqueslecoq

• 25.0 Avg MPG

• 08 Sienna

  2008 Toyota Sienna XLE 3.5L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Jul 2016 • 32 Fuel-ups

  Property of mrstop

• 16.5 Avg MPG

• My Sienna

  2008 Toyota Sienna CE 3.5L V6 GAS Automatic 5 Speed
  Added Jul 2018 • 9 Fuel-ups

  Property of BigDanT

• 18.9 Avg MPG

• My Sienna

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed
  Added Apr 2018 • 5 Fuel-ups

  Property of gsnyy

• 14.0 Avg MPG

• Toyota Van

  2008 Toyota Sienna XLE 3.5L V6 GAS Automatic 5 Speed
  Added Apr 2017 • 230 Fuel-ups

  Property of brokethru

• 21.4 Avg MPG

• Van

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 609 Fuel-ups

  Property of djenkins3548

• 22.8 Avg MPG

• 2008 Toyota Sienna LE

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed
  Added Nov 2017 • 23 Fuel-ups

  Property of Pilot06

• 18.6 Avg MPG

• Van

  2008 Toyota Sienna XLE 3.5L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Oct 2017 • 77 Fuel-ups

  Property of okclbates

• 16.3 Avg MPG

• Zinnia Utahceratops

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed
  Added Dec 2014 • 138 Fuel-ups

  Property of MtnMama

• 19.7 Avg MPG

• Sienna

  2008 Toyota Sienna XLE 3.5L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Dec 2013 • 221 Fuel-ups

  Property of IguanaSoFunny

• 19.1 Avg MPG

• Pickup

  2008 Toyota Sienna XLE 3.5L V6 GAS Automatic 5 Speed
  Added Oct 2016 • 102 Fuel-ups

  Property of sackettfamily

• 22.4 Avg MPG

• Sienna

  2008 Toyota Sienna XLE 3.5L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Mar 2020 • 9 Fuel-ups

  Property of davlamb

• 27.6 Avg MPG

• My Sienna

  2008 Toyota Sienna Limited 3.5L V6 GAS Automatic 5 Speed
  Added Jan 2018 • 10 Fuel-ups

  Property of TMSHK

• 16.3 Avg MPG

• Van

  2008 Toyota Sienna Limited 3.5L V6 GAS Automatic 5 Speed
  Added Mar 2017 • 180 Fuel-ups

  Property of dailymantra

• 17.4 Avg MPG

• Sienna 8 Seats

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added Nov 2017 • 345 Fuel-ups

  Property of ahmehla

• 16.5 Avg MPG

• Gracie

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed
  Added Mar 2018 • 11 Fuel-ups

  Property of thehuey

• 31.5 Avg MPG

• BlueVan

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed Mini Passenger Van
  Added May 2017 • 13 Fuel-ups

  Property of Phorluk

• 19.0 Avg MPG

• My Sienna

  2008 Toyota Sienna CE 3.5L V6 GAS Automatic 5 Speed
  Added Feb 2018 • 15 Fuel-ups

  Property of mom4dad

• 22.5 Avg MPG

• My Sienna

  2008 Toyota Sienna LE 3.5L V6 GAS Automatic 5 Speed
  Added Nov 2016 • 55 Fuel-ups

  Property of snyking

• 21.7 Avg MPG

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