Based on data from 257 vehicles, 28,832 fuel-ups and 7,802,794 miles of driving, the 2018 Mazda 3 gets a combined Avg MPG of 29.96 with a 0.06 MPG margin of error.

Any Engine Type 2.0L L4 GAS (73) 2.5L L4 GAS (177) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (34) Hatchback (76) Any Submodel SE (1) s Grand Touring (2) S (4) GX (4) I Touring (5) G (9) GT (10) GS (11) Sport (38) Grand Touring (78) Touring (93) Other (2)

Below you can see a distribution of the fuel-ups with 476 outliers (1.62%) removed.

Following shows the average MPG of each of the 257 vehicles in the system.

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• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2020 • 286 Fuel-ups

  Property of pjohnson

• 32.1 Avg MPG

• Mazda 3GS

  2018 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed Sedan
  Added Jul 2018 • 319 Fuel-ups

  Property of Pinball

• 33.4 Avg MPG

• Small Gray Zoom-Zoom

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2024 • 39 Fuel-ups

  Property of uhNSR

• 35.6 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2022 • 103 Fuel-ups

  Property of pizote155

• 28.1 Avg MPG

• My 3 2018

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2024 • 24 Fuel-ups

  Property of jfran

• 27.0 Avg MPG

• Caitlyn’s 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 193 Fuel-ups

  Property of scherger

• 28.6 Avg MPG

• Mazda

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Oct 2018 • 151 Fuel-ups

  Property of elenio

• 28.5 Avg MPG

• My 3

  2018 Mazda 3 Sport
  Added Mar 2019 • 330 Fuel-ups

  Property of fordcountry250

• 39.6 Avg MPG

• My 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2018 • 258 Fuel-ups

  Property of romanroger

• 30.0 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2023 • 45 Fuel-ups

  Property of mimos

• 31.1 Avg MPG

• mazzie II

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 175 Fuel-ups

  Property of retardis

• 21.0 Avg MPG

• Alailse

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2022 • 89 Fuel-ups

  Property of tarpy

• 23.5 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2024 • 189 Fuel-ups

  Property of moons31

• 28.2 Avg MPG

• 2018 Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 150 Fuel-ups

  Property of mses0804

• 26.7 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 257 Fuel-ups

  Property of tart05

• 26.3 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2021 • 332 Fuel-ups

  Property of ThePres

• 31.1 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2024 • 76 Fuel-ups

  Property of Ardiberen

• 27.1 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Apr 2024 • 152 Fuel-ups

  Property of Ipownyu

• 29.0 Avg MPG

• My New Mazda

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Oct 2017 • 214 Fuel-ups

  Property of 626Mazda

• 32.7 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 299 Fuel-ups

  Property of jayjaypea

• 31.1 Avg MPG

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