Based on data from 247 vehicles, 26,294 fuel-ups and 7,104,655 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 (174) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (33) Hatchback (76) Any Submodel SE (1) s Grand Touring (3) S (4) GX (4) I Touring (5) G (8) GS (10) GT (10) Sport (34) Grand Touring (75) Touring (91) Other (2)

Below you can see a distribution of the fuel-ups with 415 outliers (1.55%) removed.

Following shows the average MPG of each of the 247 vehicles in the system.

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• ‘18 Mazda 3 - 6MT

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Apr 2021 • 267 Fuel-ups

  Property of jarevalo96

• 30.3 Avg MPG

• My 3

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

  Property of gidgetgirl

• 26.8 Avg MPG

• Ruby Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added May 2019 • 62 Fuel-ups

  Property of fpayet

• 26.0 Avg MPG

• Ruby

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2018 • 109 Fuel-ups

  Property of mhamblen

• 30.9 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2024 • 163 Fuel-ups

  Property of moons31

• 28.4 Avg MPG

• 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2018 • 364 Fuel-ups

  Property of frine334

• 31.9 Avg MPG

• Bluie

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Apr 2022 • 106 Fuel-ups

  Property of TDICup2010

• 34.8 Avg MPG

• Trooper

  2018 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2024 • 8 Fuel-ups

  Property of 2Fast2Furious

• 32.4 Avg MPG

• Blue Bullet

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2019 • 57 Fuel-ups

  Property of Golfman24

• 38.2 Avg MPG

• Alailse

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2022 • 53 Fuel-ups

  Property of tarpy

• 23.5 Avg MPG

• Pimento Mazda

  2018 Mazda 3 G 2.0L L4 GAS Manual 6 Speed
  Added Sep 2021 • 82 Fuel-ups

  Property of emacek

• 27.1 Avg MPG

• Little Blue Go Kart

  2018 Mazda 3 Sport 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Aug 2018 • 196 Fuel-ups

  Property of pittim77

• 36.1 Avg MPG

• Mazda3 GT

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2019 • 230 Fuel-ups

  Property of charlygordon

• 26.1 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Standard 6 Speed
  Added May 2018 • 194 Fuel-ups

  Property of ayeshamus

• 27.1 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2022 • 72 Fuel-ups

  Property of pizote155

• 27.8 Avg MPG

• 2018 Mazda 3 - Machine Gray

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Aug 2022 • 160 Fuel-ups

  Property of zerhusbt

• 35.2 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2,0L L4 GAS Automatic 6 Speed Hatchback
  Added Jul 2019 • 69 Fuel-ups

  Property of neXib

• 34.2 Avg MPG

• 2018 Mazda3 [Rally Hatch]

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Feb 2020 • 63 Fuel-ups

  Property of thresham

• 28.0 Avg MPG

• My 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2018 • 236 Fuel-ups

  Property of romanroger

• 30.0 Avg MPG

• ‘18 Mazda 3 SE

  2018 Mazda 3 SE 2.0L L4 GAS Automatic 6 Speed
  Added May 2022 • 81 Fuel-ups

  Property of fastNugly

• 30.4 Avg MPG

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