Based on data from 50 vehicles, 4,998 fuel-ups and 1,432,479 miles of driving, the 2018 Mazda CX-9 gets a combined Avg MPG of 21.95 with a 0.10 MPG margin of error.

Any Engine Type 2.5L L4 GAS (44) GAS (2) L4 GAS (2) V4 GAS (1) Any Body Style Sport Utility (25) Any Submodel GS-L (1) Azami LE (1) i Grand Touring (2) Sport (3) Signature (6) GT (8) Touring (10) Grand Touring (19)

Below you can see a distribution of the fuel-ups with 103 outliers (2.02%) removed.

Following shows the average MPG of each of the 50 vehicles in the system.

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• My CX-9

  2018 Mazda CX-9 GT 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 217 Fuel-ups

  Property of JumpingJacques

• 22.9 Avg MPG

• My CX-9

  2018 Mazda CX-9 GS-L 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2018 • 180 Fuel-ups

  Property of nickstephens

• 20.3 Avg MPG

• CX-9

  2018 Mazda CX-9 GT 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2018 • 133 Fuel-ups

  Property of jaycan

• 21.1 Avg MPG

• My CX-9

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2017 • 410 Fuel-ups

  Property of Butchyboy

• 22.0 Avg MPG

• My CX-9 Grand Touring

  2018 Mazda CX-9 i Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2021 • 99 Fuel-ups

  Property of moimendez

• 20.0 Avg MPG

• Mazda CX-9

  2018 Mazda CX-9 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 332 Fuel-ups

  Property of hearne

• 24.5 Avg MPG

• My CX-9

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2021 • 105 Fuel-ups

  Property of stevesanda

• 21.9 Avg MPG

• My CX-9

  2018 Mazda CX-9 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2024 • 4 Fuel-ups

  Property of Cowens621

• 22.2 Avg MPG

• My CX-9

  2018 Mazda CX-9 Signature 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added May 2021 • 126 Fuel-ups

  Property of oldsears

• 24.0 Avg MPG

• CX-9

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Sep 2023 • 196 Fuel-ups

  Property of jhufnagle

• 27.0 Avg MPG

• My CX-9 Grand Touring

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2021 • 223 Fuel-ups

  Property of VeroBerumen

• 20.4 Avg MPG

• CX-9

  2018 Mazda CX-9 Touring GAS Automatic
  Added Feb 2018 • 214 Fuel-ups

  Property of davidgiesberg

• 20.6 Avg MPG

• Normandy

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Jun 2019 • 25 Fuel-ups

  Property of Aonarach

• 21.3 Avg MPG

• CX-9

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Apr 2018 • 157 Fuel-ups

  Property of jhufnagle

• 25.4 Avg MPG

• 2018 CX-9

  2018 Mazda CX-9 GT 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 488 Fuel-ups

  Property of snoopyben

• 22.3 Avg MPG

• Mazda CX9

  2018 Mazda CX-9 Grand Touring 2,5L L4 GAS Automatic 6 Speed Sport Utility
  Added May 2018 • 320 Fuel-ups

  Property of gbustam

• 19.3 Avg MPG

• MazdaRati

  2018 Mazda CX-9 Sport 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2022 • 120 Fuel-ups

  Property of panthermike

• 21.5 Avg MPG

• Big Red

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Mar 2019 • 252 Fuel-ups

  Property of Judman13

• 24.0 Avg MPG

• Mazda Azami LE

  2018 Mazda CX-9 Azami LE
  Added Nov 2018 • 129 Fuel-ups

  Property of Scottymac

• 23.3 Avg MPG

• CX9

  2018 Mazda CX-9 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sport Utility
  Added Jan 2018 • 159 Fuel-ups

  Property of deepfriedsushi

• 21.8 Avg MPG

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