Based on data from 36 vehicles, 2,853 fuel-ups and 868,505 miles of driving, the 2017 Mazda CX-9 gets a combined Avg MPG of 21.61 with a 0.13 MPG margin of error.

Any Engine Type 2.5L L4 GAS (36) Any Body Style Wagon (1) Sport Utility (18) Any Submodel GS-L (1) Sport (2) GT (3) Touring (4) Signature (10) Grand Touring (16)

Below you can see a distribution of the fuel-ups with 86 outliers (2.93%) removed.

Following shows the average MPG of each of the 36 vehicles in the system.

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• My CX-9

  2017 Mazda CX-9 Grand Touring 2.5L L4 GAS
  Added Apr 2017 • 171 Fuel-ups

  Property of Doug11

• 23.2 Avg MPG

• My CX-9

  2017 Mazda CX-9 Signature 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2017 • 67 Fuel-ups

  Property of downdog2

• 21.8 Avg MPG

• CX-9

  2017 Mazda CX-9 Signature 2.5L L4 GAS Automatic Wagon
  Added Mar 2017 • 50 Fuel-ups

  Property of mlittman

• 55.8 Avg MPG

• CX-9

  2017 Mazda CX-9 Signature 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Jun 2017 • 49 Fuel-ups

  Property of JamesGu

• 22.5 Avg MPG

• Mazda CX-9

  2017 Mazda CX-9 GS-L 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2017 • 86 Fuel-ups

  Property of beingbrad

• 17.4 Avg MPG

• Cookie Monster

  2017 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Dec 2017 • 68 Fuel-ups

  Property of colnago1331

• 19.3 Avg MPG

• Mama's white whip

  2017 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Jul 2017 • 65 Fuel-ups

  Property of sticky_racing

• 22.6 Avg MPG

• Mazda

  2017 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2017 • 38 Fuel-ups

  Property of leonhuang

• 22.2 Avg MPG

• Madz

  2017 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Feb 2018 • 17 Fuel-ups

  Property of amare021

• 19.1 Avg MPG

• Mazda CX-9

  2017 Mazda CX-9 Grand Touring 2.5L L4 GAS
  Added Mar 2017 • 45 Fuel-ups

  Property of ishaq

• 18.2 Avg MPG

• Mazda CX-9 Signature AWD

  2017 Mazda CX-9 Signature 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2018 • 30 Fuel-ups

  Property of danmm7

• 20.7 Avg MPG

• My CX-9

  2017 Mazda CX-9 GT 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2017 • 26 Fuel-ups

  Property of yalconia

• 19.9 Avg MPG

• '17 CX-9

  2017 Mazda CX-9 Signature 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2017 • 33 Fuel-ups

  Property of GMconvert

• 23.0 Avg MPG

• My CX-9

  2017 Mazda CX-9 GT 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Nov 2017 • 17 Fuel-ups

  Property of bbrock

• 17.0 Avg MPG

• MCX9

  2017 Mazda CX-9 Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Apr 2017 • 35 Fuel-ups

  Property of SDMOM1

• 20.3 Avg MPG

• Mazda CX-9

  2017 Mazda CX-9 Sport 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2017 • 3 Fuel-ups

  Property of bchow

• 30.7 Avg MPG

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