Based on data from 244 vehicles, 26,061 fuel-ups and 7,041,053 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 (66) 2.5L L4 GAS (172) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (32) Hatchback (77) Any Submodel SE (1) S (3) s Grand Touring (3) GX (4) I Touring (5) G (8) GS (10) GT (10) Sport (33) Grand Touring (75) Touring (90) Other (2)

Below you can see a distribution of the fuel-ups with 413 outliers (1.56%) removed.

Following shows the average MPG of each of the 244 vehicles in the system.

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• 2018 Mazda3 Hatchback

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2019 • 151 Fuel-ups

  Property of thresham

• 28.1 Avg MPG

• Mazda 3GS

  2018 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed Sedan
  Added Jul 2018 • 270 Fuel-ups

  Property of Pinball

• 33.3 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2019 • 302 Fuel-ups

  Property of fh-pear

• 31.2 Avg MPG

• mazzie II

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 113 Fuel-ups

  Property of retardis

• 24.8 Avg MPG

• Jon

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Dec 2018 • 403 Fuel-ups

  Property of jonny772

• 29.7 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2019 • 213 Fuel-ups

  Property of azraul84

• 28.5 Avg MPG

• Ed’s Mazda 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 400 Fuel-ups

  Property of iyoulow

• 29.4 Avg MPG

• 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2018 • 362 Fuel-ups

  Property of frine334

• 31.9 Avg MPG

• My 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 422 Fuel-ups

  Property of andrewchumchal

• 27.6 Avg MPG

• Brown bae

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2020 • 242 Fuel-ups

  Property of lc7926

• 28.6 Avg MPG

• Mazda3

  2018 Mazda 3 Touring Automatic 6 Speed
  Added Dec 2018 • 163 Fuel-ups

  Property of Amkelso

• 27.4 Avg MPG

• 2018, Mazda3 Keep

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jul 2023 • 105 Fuel-ups

  Property of DCMike

• 32.1 Avg MPG

• Mazda

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2023 • 51 Fuel-ups

  Property of Bombutt

• 37.2 Avg MPG

• My 3

  2018 Mazda 3 Sport
  Added Mar 2019 • 294 Fuel-ups

  Property of fordcountry250

• 39.7 Avg MPG

• My 3

  2018 Mazda 3 GS 2.0L L4 GAS Manual 6 Speed
  Added Feb 2019 • 487 Fuel-ups

  Property of ChadM3

• 35.6 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2020 • 231 Fuel-ups

  Property of pjohnson

• 31.6 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2019 • 371 Fuel-ups

  Property of jmeister

• 32.9 Avg MPG

• Mazzie the Mazda

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 248 Fuel-ups

  Property of Buckeyenut55

• 29.1 Avg MPG

• Mazda 3

  2018 Mazda 3 G 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2018 • 255 Fuel-ups

  Property of adriantee

• 31.5 Avg MPG

• Mazda 3

  2018 Mazda 3 GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Dec 2017 • 116 Fuel-ups

  Property of cp9a

• 28.5 Avg MPG

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