Based on data from 40 vehicles, 2,029 fuel-ups and 548,300 miles of driving, the 1999 Toyota Sienna gets a combined Avg MPG of 18.04 with a 0.18 MPG margin of error.

Any Engine Type 3.0L V6 GAS (29) V6 GAS (8) Any Body Style Mini Passenger Van (9) Any Submodel CE (5) XLE (11) LE (15) Other (9)

Below you can see a distribution of the fuel-ups with 163 outliers (7.44%) removed.

Following shows the average MPG of each of the 40 vehicles in the system.

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• Sienna

  1999 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Oct 2016 • 97 Fuel-ups

  Property of pweyer

• 28.1 Avg MPG

• Sienna

  1999 Toyota Sienna CE 3L GAS V6 Automatic 4 Mini Passenger Van (4 Door)
  Added Jun 2015 • 5 Fuel-ups

  Property of DaveTap

• 5.5 Avg MPG

• The Van

  1999 Toyota Sienna GAS V6
  Added Aug 2012 • 40 Fuel-ups

  Property of RTKfan

• 16.9 Avg MPG

• Swagger Wagon

  1999 Toyota Sienna GAS V6
  Added Jun 2013 • 52 Fuel-ups

  Property of shortro

• 21.2 Avg MPG

• 1999 Toyota Sienna

  1999 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 74 Fuel-ups

  Property of davidwescott

• 16.2 Avg MPG

• Toyota Sienna Van

  1999 Toyota Sienna XLE 3.0L V6 GAS Automatic 4 Speed
  Added May 2017 • 18 Fuel-ups

  Property of jeffc31783

• 24.9 Avg MPG

• Ahhh! I'm My Dad!

  1999 Toyota Sienna LE 3.0L V6 GAS
  Added Sep 2013 • 27 Fuel-ups

  Property of DKazzed

• 17.1 Avg MPG

• Sienna

  1999 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Apr 2016 • 58 Fuel-ups

  Property of Vyrenee

• 18.3 Avg MPG

• Sienna

  1999 Toyota Sienna XLE 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2016 • 58 Fuel-ups

  Property of Vyrenee

• 18.3 Avg MPG

• '99 Sienna

  1999 Toyota Sienna CE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Nov 2016 • 57 Fuel-ups

  Property of moxBenoit

• 17.8 Avg MPG

• Mom's car

  1999 Toyota Sienna LE 3.0L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 102 Fuel-ups

  Property of adamsverak

• 18.2 Avg MPG

• Sienna XLE

  1999 Toyota Sienna XLE
  Added Aug 2016 • 5 Fuel-ups

  Property of dadplaying

• 21.5 Avg MPG

• Sienna

  1999 Toyota Sienna XLE 3.0L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Oct 2017 • 270 Fuel-ups

  Property of mosmith711

• 20.0 Avg MPG

• Chocolate milk

  1999 Toyota Sienna GAS V6
  Added Aug 2013 • 4 Fuel-ups

  Property of tdthalman

• 20.5 Avg MPG

• The Wine Wagon

  1999 Toyota Sienna GAS V6
  Added May 2013 • 18 Fuel-ups

  Property of hempev

• 23.3 Avg MPG

• Toyota

  1999 Toyota Sienna
  Added Feb 2013 • 3 Fuel-ups

  Property of bobmatang

• 19.5 Avg MPG

• The Fistmobile

  1999 Toyota Sienna GAS V6
  Added Feb 2010 • 16 Fuel-ups

  Property of doublefist

• 18.9 Avg MPG

• 99 Sienna

  1999 Toyota Sienna GAS V6
  Added Dec 2009 • 37 Fuel-ups

  Property of lcaceres1962

• 18.9 Avg MPG

• Sienna

  1999 Toyota Sienna GAS V6
  Added Aug 2010 • 82 Fuel-ups

  Property of FlatusMax

• 16.6 Avg MPG

• Das rollende Wohnzimmer

  1999 Toyota Sienna GAS V6
  Added Sep 2008 • 24 Fuel-ups

  Property of volspill

• 19.0 Avg MPG

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