Based on data from 245 vehicles, 26,102 fuel-ups and 7,052,086 miles of driving, the 2018 Mazda 3 gets a combined Avg MPG of 29.93 with a 0.07 MPG margin of error.

Any Engine Type 2.0L L4 GAS (67) 2.5L L4 GAS (172) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (33) Hatchback (76) Any Submodel SE (1) S (3) s Grand Touring (3) GX (4) I Touring (5) G (8) GS (10) GT (10) Sport (34) Grand Touring (75) Touring (90) Other (2)

Below you can see a distribution of the fuel-ups with 414 outliers (1.56%) removed.

Following shows the average MPG of each of the 245 vehicles in the system.

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• Magic Maz

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Dec 2017 • 210 Fuel-ups

  Property of MagicMike55

• 33.4 Avg MPG

• My 3

  2018 Mazda 3 Sport
  Added Mar 2019 • 295 Fuel-ups

  Property of fordcountry250

• 39.7 Avg MPG

• Caitlyn’s 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 164 Fuel-ups

  Property of scherger

• 28.9 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Sep 2022 • 23 Fuel-ups

  Property of jaden

• 29.7 Avg MPG

• 2018 Mazda 3

  2018 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added May 2021 • 143 Fuel-ups

  Property of redheron1

• 40.9 Avg MPG

• Mazda

  2018 Mazda 3 Orignal L4 GAS
  Added Oct 2023 • 32 Fuel-ups

  Property of Tscholtz29

• 29.0 Avg MPG

• Andria

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2021 • 189 Fuel-ups

  Property of elah33

• 28.1 Avg MPG

• 2018 Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 130 Fuel-ups

  Property of mses0804

• 26.6 Avg MPG

• mazzie II

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 114 Fuel-ups

  Property of retardis

• 24.8 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2019 • 198 Fuel-ups

  Property of dchace

• 36.2 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Feb 2021 • 189 Fuel-ups

  Property of benlbalaban

• 30.2 Avg MPG

• My 3

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

  Property of lmsalman

• 29.9 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2020 • 232 Fuel-ups

  Property of pjohnson

• 31.7 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2021 • 308 Fuel-ups

  Property of ThePres

• 31.3 Avg MPG

• Ed’s Mazda 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 401 Fuel-ups

  Property of iyoulow

• 29.4 Avg MPG

• Jon

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Dec 2018 • 404 Fuel-ups

  Property of jonny772

• 29.7 Avg MPG

• MAZDA 3 2018

  2018 Mazda 3 GX H4 GAS Automatic 6 Speed Hatchback
  Added Sep 2018 • 103 Fuel-ups

  Property of kahahansi

• 30.5 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Standard 6 Speed
  Added May 2018 • 193 Fuel-ups

  Property of ayeshamus

• 27.1 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 156 Fuel-ups

  Property of simonjpmay

• 27.4 Avg MPG

• Cloud

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2018 • 158 Fuel-ups

  Property of ACD63

• 31.3 Avg MPG

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