Based on data from 253 vehicles, 28,219 fuel-ups and 7,641,760 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 (72) 2.5L L4 GAS (175) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (34) Hatchback (74) Any Submodel SE (1) s Grand Touring (2) S (4) GX (4) I Touring (5) G (9) GT (10) GS (11) Sport (37) Grand Touring (76) Touring (92) Other (2)

Below you can see a distribution of the fuel-ups with 469 outliers (1.63%) removed.

Following shows the average MPG of each of the 253 vehicles in the system.

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• 2018 Mazda3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 255 Fuel-ups

  Property of tart05

• 26.3 Avg MPG

• Mazzie the Mazda

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2018 • 269 Fuel-ups

  Property of Buckeyenut55

• 29.0 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2024 • 186 Fuel-ups

  Property of moons31

• 28.2 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 294 Fuel-ups

  Property of jayjaypea

• 31.2 Avg MPG

• 2018 Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Mar 2018 • 215 Fuel-ups

  Property of OyamaVFR

• 26.4 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Standard 6 Speed
  Added May 2018 • 224 Fuel-ups

  Property of ayeshamus

• 27.1 Avg MPG

• 2018 Mazda3 Hatchback

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2019 • 171 Fuel-ups

  Property of thresham

• 28.2 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2,0L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2024 • 26 Fuel-ups

  Property of andrii_ozhytchuk

• 31.1 Avg MPG

• Mazda3 Hatchback

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Mar 2019 • 149 Fuel-ups

  Property of jkellynelson

• 32.3 Avg MPG

• 2018 Mazda 3 Sport

  2018 Mazda 3 Sport 2.0L L4 GAS Manual 6 Speed
  Added Jul 2024 • 23 Fuel-ups

  Property of andyshank

• 33.0 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added Aug 2022 • 65 Fuel-ups

  Property of robrz350

• 31.1 Avg MPG

• mazzie II

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 169 Fuel-ups

  Property of retardis

• 20.4 Avg MPG

• Mazda 3GS

  2018 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed Sedan
  Added Jul 2018 • 316 Fuel-ups

  Property of Pinball

• 33.5 Avg MPG

• Mazda

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2023 • 83 Fuel-ups

  Property of Bombutt

• 36.9 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added May 2019 • 81 Fuel-ups

  Property of corman84

• 30.6 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jan 2021 • 330 Fuel-ups

  Property of ThePres

• 31.1 Avg MPG

• Magic Maz

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Dec 2017 • 237 Fuel-ups

  Property of MagicMike55

• 33.5 Avg MPG

• Ed’s Mazda 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 446 Fuel-ups

  Property of iyoulow

• 29.4 Avg MPG

• Small Gray Zoom-Zoom

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2024 • 36 Fuel-ups

  Property of uhNSR

• 35.3 Avg MPG

• My 3 2018

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2024 • 21 Fuel-ups

  Property of jfran

• 27.4 Avg MPG

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