Based on data from 279 vehicles, 28,032 fuel-ups and 10,241,256 miles of driving, the 2015 Mazda 6 gets a combined Avg MPG of 30.44 with a 0.07 MPG margin of error.

Any Engine Type 2.2L L4 DIESEL (4) 2.5L L4 GAS (248) GAS (2) H4 GAS (1) H6 GAS (2) L4 DIESEL (6) L4 GAS (4) Any Body Style Sedan (125) Wagon (4) Hatchback (2) Motor Home - Stripped Chassis (1) Any Submodel i (1) Tourer SE L (2) GS (3) SE-Nav (5) Base (7) GT (13) 1.5 RS CVT Honda SENSING (45) Grand Touring (76) Touring (115) Other (12)

Below you can see a distribution of the fuel-ups with 735 outliers (2.56%) removed.

Following shows the average MPG of each of the 279 vehicles in the system.

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• Mazda 6

  2015 Mazda 6 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 264 Fuel-ups

  Property of holdencasey

• 32.1 Avg MPG

• My 6

  2015 Mazda 6 Grand Touring 2.5L GAS L4 Automatic 6 Sedan (4 Door)
  Added Jul 2014 • 238 Fuel-ups

  Property of Bredk29

• 29.8 Avg MPG

• Genee's 6

  2015 Mazda 6 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2017 • 63 Fuel-ups

  Property of teradakg

• 34.7 Avg MPG

• Alvin's 6

  2015 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jan 2025 • 150 Fuel-ups

  Property of alvinping

• 27.3 Avg MPG

• Mazda

  2015 Mazda 6 Standard 6 Speed Wagon
  Added Oct 2019 • 170 Fuel-ups

  Property of opinter

• 34.4 Avg MPG

• Winter

  2015 Mazda 6 1.5 RS CVT Honda SENSING 2.5L L4 GAS Automatic 6 Speed Sedan
  Added May 2014 • 240 Fuel-ups

  Property of KnockKnock

• 32.5 Avg MPG

• Kevin

  2015 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Feb 2018 • 568 Fuel-ups

  Property of ismawesemo

• 30.4 Avg MPG

• Mazda6

  2015 Mazda 6 1.5 RS CVT Honda SENSING 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2015 • 180 Fuel-ups

  Property of lvxlvx

• 27.4 Avg MPG

• Navy blue

  2015 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2019 • 94 Fuel-ups

  Property of PacificBlue

• 33.8 Avg MPG

• Mazda 6

  2015 Mazda 6 1.5 RS CVT Honda SENSING 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 274 Fuel-ups

  Property of jsiegelman

• 32.1 Avg MPG

• My 6

  2015 Mazda 6 1.5 RS CVT Honda SENSING 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 296 Fuel-ups

  Property of Angdav22

• 32.0 Avg MPG

• My 6

  2015 Mazda 6
  Added Nov 2023 • 50 Fuel-ups

  Property of 7973

• 31.4 Avg MPG

• My 6

  2015 Mazda 6 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2020 • 114 Fuel-ups

  Property of carleigh

• 28.2 Avg MPG

• FGTM6

  2015 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2023 • 42 Fuel-ups

  Property of tapiaeltio

• 33.0 Avg MPG

• Mazda

  2015 Mazda 6 Touring 2.5L GAS L4 Automatic 6 Sedan (4 Door)
  Added Jul 2014 • 159 Fuel-ups

  Property of nahetrick

• 30.3 Avg MPG

• Mazda 6 Sport Nav

  2015 Mazda 6 1.5 RS CVT Honda SENSING H6 GAS Sedan
  Added Apr 2024 • 70 Fuel-ups

  Property of safetyskills

• 44.2 Avg MPG

• Big Red

  2015 Mazda 6 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Jul 2021 • 69 Fuel-ups

  Property of sji2006

• 28.8 Avg MPG

• Mazda 2015

  2015 Mazda 6 Touring 2.5L L4 GAS Automatic 5 Speed Sedan
  Added Feb 2018 • 321 Fuel-ups

  Property of ronsvrs

• 30.6 Avg MPG

• My 6

  2015 Mazda 6
  Added Nov 2017 • 123 Fuel-ups

  Property of swthapines616

• 33.5 Avg MPG

• MyMazda

  2015 Mazda 6 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2018 • 265 Fuel-ups

  Property of saugata0106

• 27.5 Avg MPG

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