Based on data from 32 vehicles, 2,613 fuel-ups and 705,434 miles of driving, the 2015 Mazda 3 Sport gets a combined Avg MPG of 29.50 with a 0.25 MPG margin of error.

Any Engine Type 2.0L L4 GAS (19) 2.5L L4 GAS (12) Any Body Style Sedan (1) Hatchback (14) Any Submodel GT (12) GS (19) Other (1)

Below you can see a distribution of the fuel-ups with 168 outliers (6.04%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

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• 2015 Mazda 3

  2015 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2017 • 137 Fuel-ups

  Property of MetalTA92

• 32.4 Avg MPG

• Mazda 3 Sport

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2016 • 230 Fuel-ups

  Property of agijon

• 23.1 Avg MPG

• Mazda3

  2015 Mazda 3 Sport GT 2.5L L4 GAS Standard 6 Speed Hatchback
  Added Aug 2018 • 148 Fuel-ups

  Property of moakes22

• 32.2 Avg MPG

• Chelsea Mazda

  2015 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2018 • 98 Fuel-ups

  Property of mccujames

• 32.2 Avg MPG

• Mazda3

  2015 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed Hatchback
  Added May 2019 • 80 Fuel-ups

  Property of jahoffie

• 34.4 Avg MPG

• My 3 Sport

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 114 Fuel-ups

  Property of Goatman

• 25.0 Avg MPG

• Mazda3

  2015 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2017 • 230 Fuel-ups

  Property of klenya

• 30.7 Avg MPG

• Mazda 3 Sport GT

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2016 • 263 Fuel-ups

  Property of amfwu

• 29.7 Avg MPG

• Mazdarati

  2015 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2019 • 52 Fuel-ups

  Property of nicktrag

• 30.2 Avg MPG

• Mazda 3

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2019 • 29 Fuel-ups

  Property of rfarach

• 15.4 Avg MPG

• My 3 Sport

  2015 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed
  Added Jan 2018 • 148 Fuel-ups

  Property of nrkamath

• 32.2 Avg MPG

• My 3 Sport

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2019 • 43 Fuel-ups

  Property of dogechow

• 32.3 Avg MPG

• My Car

  2015 Mazda 3 Sport GS 2.0L L4 GAS Standard 6 Speed Hatchback
  Added May 2018 • 50 Fuel-ups

  Property of skawun

• 31.2 Avg MPG

• My 3 Sport

  2015 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2018 • 150 Fuel-ups

  Property of dthompson716

• 36.0 Avg MPG

• Mazda 3

  2015 Mazda 3 Sport GS 2.0L L4 GAS Standard 6 Speed Hatchback
  Added Dec 2017 • 10 Fuel-ups

  Property of ericlepreu

• 38.8 Avg MPG

• Mazda3

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 83 Fuel-ups

  Property of whisskigirl

• 26.8 Avg MPG

• Mara Jade

  2015 Mazda 3 Sport Touring Standard 6 Speed
  Added May 2017 • 141 Fuel-ups

  Property of betterforeign

• 34.8 Avg MPG

• Matt's 2015 Mazda 3

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added May 2018 • 123 Fuel-ups

  Property of PVWhalen

• 29.2 Avg MPG

• Mazda

  2015 Mazda 3 Sport GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Oct 2016 • 153 Fuel-ups

  Property of ian0056

• 29.1 Avg MPG

• Z Mazda 3

  2015 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2017 • 45 Fuel-ups

  Property of amfwu

• 27.9 Avg MPG

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