Based on data from 246 vehicles, 26,256 fuel-ups and 7,093,755 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 (173) 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 (91) Other (2)

Below you can see a distribution of the fuel-ups with 415 outliers (1.56%) removed.

Following shows the average MPG of each of the 246 vehicles in the system.

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• Brown bae

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2020 • 244 Fuel-ups

  Property of lc7926

• 28.6 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

• My 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 424 Fuel-ups

  Property of andrewchumchal

• 27.6 Avg MPG

• Mazda 3 hatchback

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Jun 2019 • 270 Fuel-ups

  Property of subspace23

• 27.6 Avg MPG

• My 3

  2018 Mazda 3 GS 2.0L L4 GAS Manual 6 Speed
  Added Feb 2019 • 490 Fuel-ups

  Property of ChadM3

• 35.6 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

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2020 • 233 Fuel-ups

  Property of pjohnson

• 31.7 Avg MPG

• Mazda 3 '18

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 247 Fuel-ups

  Property of Pnboo

• 31.1 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

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Nov 2018 • 355 Fuel-ups

  Property of ajd326

• 30.1 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 255 Fuel-ups

  Property of jayjaypea

• 30.9 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.0L L4 GAS Manual 6 Speed
  Added Dec 2018 • 319 Fuel-ups

  Property of jesykaness

• 27.3 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

• Red Comet

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

  Property of milekyun

• 26.1 Avg MPG

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