Based on data from 66 vehicles, 6,937 fuel-ups and 1,855,986 miles of driving, the 2011 Mazda CX-9 gets a combined Avg MPG of 17.65 with a 0.08 MPG margin of error.

Any Engine Type 3.7L V6 GAS (54) V6 GAS (11) Any Body Style Sedan (1) Sport Utility (18) Any Submodel GT (1) GS (4) Sport (7) Touring (17) Grand Touring (25) Other (12)

Below you can see a distribution of the fuel-ups with 322 outliers (4.44%) removed.

Following shows the average MPG of each of the 66 vehicles in the system.

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• Cx9

  2011 Mazda CX-9 Grand Touring 3.7L V6 GAS Automatic 6 Speed
  Added Jun 2017 • 30 Fuel-ups

  Property of femike99

• 17.8 Avg MPG

• My CX-9

  2011 Mazda CX-9 Grand Touring 3.7L V6 GAS Automatic 6 Speed
  Added Sep 2017 • 11 Fuel-ups

  Property of mazda-1

• 20.9 Avg MPG

• Mazda CX9

  2011 Mazda CX-9 Touring 3.7L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 112 Fuel-ups

  Property of dancingalbatross

• 27.3 Avg MPG

• Mazda CX-9

  2011 Mazda CX-9 GS 3.7L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 222 Fuel-ups

  Property of jdjohnny

• 22.5 Avg MPG

• My CX-9

  2011 Mazda CX-9 GS 3.7L V6 GAS Automatic 6 Speed
  Added Oct 2016 • 5 Fuel-ups

  Property of bf909

• 16.4 Avg MPG

• 2011 Mazda CX-9

  2011 Mazda CX-9 Touring 3.7L V6 GAS Automatic 6 Sport Utility (4 Door)
  Added Jul 2015 • 40 Fuel-ups

  Property of estogner

• 17.8 Avg MPG

• Mazda CX9

  2011 Mazda CX-9 Grand Touring 3.7L V6 GAS Automatic 6 Speed Sport Utility
  Added Apr 2018 • 103 Fuel-ups

  Property of juangre

• 33.9 Avg MPG

• SUV

  2011 Mazda CX-9 Touring 3.7L V6 GAS Automatic 6 Speed Sport Utility
  Added Jun 2020 • 226 Fuel-ups

  Property of JasonTheH

• 18.9 Avg MPG

• Mazda

  2011 Mazda CX-9 Touring 3.7L V6 GAS Automatic 6 Speed Sport Utility
  Added May 2014 • 45 Fuel-ups

  Property of flynavyf150

• 20.1 Avg MPG

• Wife's CX-9

  2011 Mazda CX-9 Grand Touring 3.7L GAS V6 Automatic 6 Sport Utility (4 Door)
  Added Oct 2014 • 105 Fuel-ups

  Property of mmstone24

• 20.7 Avg MPG

• CX9

  2011 Mazda CX-9 Touring 3.7L V6 GAS Automatic 6 Sport Utility (4 Door)
  Added May 2014 • 29 Fuel-ups

  Property of mackguy

• 21.5 Avg MPG

• My CX-9

  2011 Mazda CX-9 Grand Touring 3.7L GAS V6 Automatic 6 Sport Utility (4 Door)
  Added Dec 2014 • 22 Fuel-ups

  Property of snlyttle

• 18.9 Avg MPG

• CX-9

  2011 Mazda CX-9 Grand Touring 3.7L V6 GAS Automatic 6 Speed
  Added Sep 2016 • 208 Fuel-ups

  Property of pdxa3

• 16.3 Avg MPG

• CX-9

  2011 Mazda CX-9 GAS V6
  Added Sep 2012 • 140 Fuel-ups

  Property of pdxa4

• 16.0 Avg MPG

• CX-9

  2011 Mazda CX-9 GAS V6
  Added Nov 2012 • 53 Fuel-ups

  Property of siredofcool

• 17.2 Avg MPG

• mazda

  2011 Mazda CX-9 Grand Touring 3.7L V6 GAS
  Added Nov 2012 • 59 Fuel-ups

  Property of niccikatie

• 17.7 Avg MPG

• CX-9

  2011 Mazda CX-9 GAS V6
  Added Aug 2013 • 11 Fuel-ups

  Property of STIJOJO

• 17.5 Avg MPG

• Happy

  2011 Mazda CX-9 GAS V6
  Added May 2013 • 3 Fuel-ups

  Property of Hermulus

• 18.1 Avg MPG

• Bea

  2011 Mazda CX-9 GAS V6
  Added Mar 2012 • 41 Fuel-ups

  Property of stormrider

• 18.6 Avg MPG

• mazda

  2011 Mazda CX-9 GAS V6
  Added Sep 2012 • 13 Fuel-ups

  Property of zimo

• 22.3 Avg MPG

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