Based on data from 48 vehicles, 4,647 fuel-ups and 1,258,844 miles of driving, the 2018 Mazda 3 Sport gets a combined Avg MPG of 30.14 with a 0.18 MPG margin of error.

Any Engine Type 2.0L L4 GAS (28) 2.5L L4 GAS (20) Any Body Style Sedan (1) Hatchback (30) Any Submodel GX (7) GT (20) GS (21)

Below you can see a distribution of the fuel-ups with 50 outliers (1.06%) removed.

Following shows the average MPG of each of the 48 vehicles in the system.

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• Mazda 3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed Hatchback
  Added May 2018 • 130 Fuel-ups

  Property of flyz

• 28.2 Avg MPG

• YoYoMazda

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2019 • 74 Fuel-ups

  Property of stealthjam

• 25.9 Avg MPG

• Trudy

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2020 • 46 Fuel-ups

  Property of famsanchez

• 27.4 Avg MPG

• Mazda 3 Sport

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added May 2018 • 171 Fuel-ups

  Property of ywger

• 27.1 Avg MPG

• J’s 3

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2017 • 92 Fuel-ups

  Property of sportbw

• 26.9 Avg MPG

• 2018 GX

  2018 Mazda 3 Sport GX 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2019 • 135 Fuel-ups

  Property of Osiris84

• 30.6 Avg MPG

• MazdaB3ar

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 95 Fuel-ups

  Property of stikako

• 24.9 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Jul 2018 • 180 Fuel-ups

  Property of patse

• 28.5 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed
  Added Dec 2021 • 33 Fuel-ups

  Property of JLWR

• 35.4 Avg MPG

• Grey Wolf

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 59 Fuel-ups

  Property of fatherofthorr

• 32.4 Avg MPG

• Peter’s 3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed
  Added Apr 2019 • 181 Fuel-ups

  Property of peters06

• 34.9 Avg MPG

• Big Red Machine

  2018 Mazda 3 Sport GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jun 2020 • 5 Fuel-ups

  Property of wheelmanpei

• 28.5 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 84 Fuel-ups

  Property of huevus

• 24.5 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed
  Added May 2019 • 46 Fuel-ups

  Property of StigsSlowCousin

• 34.8 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2018 • 65 Fuel-ups

  Property of devin122

• 32.5 Avg MPG

• Mazda3

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2018 • 96 Fuel-ups

  Property of HandsomeAlex25

• 32.2 Avg MPG

• New Whip

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Dec 2018 • 36 Fuel-ups

  Property of Johnbd

• 35.2 Avg MPG

• Mazda3 (2018)

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed Sedan
  Added May 2019 • 76 Fuel-ups

  Property of peterghobriel

• 32.5 Avg MPG

• Baz

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2018 • 10 Fuel-ups

  Property of Skais

• 31.9 Avg MPG

• Georgina

  2018 Mazda 3 Sport GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Feb 2019 • 3 Fuel-ups

  Property of Jaylo22

• 35.7 Avg MPG

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