Based on data from 263 vehicles, 29,423 fuel-ups and 7,954,225 miles of driving, the 2018 Mazda 3 gets a combined Avg MPG of 29.93 with a 0.06 MPG margin of error.

Any Engine Type 2.0L L4 GAS (75) 2.5L L4 GAS (181) GAS (1) H4 GAS (1) L4 GAS (2) Any Body Style Sedan (37) Hatchback (76) Any Submodel SE (1) s Grand Touring (2) S (5) GX (5) I Touring (5) GT (10) G (10) GS (11) Sport (39) Grand Touring (79) Touring (94) Other (2)

Below you can see a distribution of the fuel-ups with 495 outliers (1.65%) removed.

Following shows the average MPG of each of the 263 vehicles in the system.

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• Mazda3 GT

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2019 • 260 Fuel-ups

  Property of charlygordon

• 25.8 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.0L L4 GAS Manual 6 Speed
  Added Dec 2018 • 370 Fuel-ups

  Property of jesykaness

• 27.1 Avg MPG

• Pimento Mazda

  2018 Mazda 3 G 2.0L L4 GAS Manual 6 Speed
  Added Sep 2021 • 113 Fuel-ups

  Property of emacek

• 26.9 Avg MPG

• Caitlyn’s 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 197 Fuel-ups

  Property of scherger

• 28.5 Avg MPG

• Mazda3

  2018 Mazda 3 Touring Automatic 6 Speed
  Added Dec 2018 • 184 Fuel-ups

  Property of Amkelso

• 28.5 Avg MPG

• Mazda

  2018 Mazda 3 S 2.5L L4 GAS Manual 6 Speed
  Added Jan 2025 • 4 Fuel-ups

  Property of andresgg

• 24.8 Avg MPG

• 2018 Mazda3 [Rally Hatch]

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Feb 2020 • 75 Fuel-ups

  Property of thresham

• 28.6 Avg MPG

• My 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added Nov 2017 • 235 Fuel-ups

  Property of lmsalman

• 29.9 Avg MPG

• Mazda 3 Touring

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2024 • 19 Fuel-ups

  Property of roncal135

• 22.0 Avg MPG

• Bluie

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

  Property of TDICup2010

• 34.8 Avg MPG

• Mazda 3

  2018 Mazda 3 G 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Apr 2018 • 270 Fuel-ups

  Property of adriantee

• 31.2 Avg MPG

• My Mazda3

  2018 Mazda 3 S 2.5L L4 GAS Manual 6 Speed
  Added Apr 2024 • 20 Fuel-ups

  Property of Izaakc3

• 29.6 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2019 • 246 Fuel-ups

  Property of azraul84

• 28.5 Avg MPG

• ‘18 Mazda 3 SE

  2018 Mazda 3 SE 2.0L L4 GAS Automatic 6 Speed
  Added May 2022 • 94 Fuel-ups

  Property of fastNugly

• 30.1 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Feb 2021 • 221 Fuel-ups

  Property of benlbalaban

• 30.2 Avg MPG

• Mazda3 Hatchback

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Mar 2019 • 153 Fuel-ups

  Property of jkellynelson

• 32.3 Avg MPG

• Blue Bullet

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2019 • 70 Fuel-ups

  Property of Golfman24

• 37.8 Avg MPG

• Maz3 LK

  2018 Mazda 3 I Touring 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2023 • 59 Fuel-ups

  Property of jazzman27

• 30.3 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Sep 2022 • 36 Fuel-ups

  Property of jaden

• 29.0 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring
  Added Jan 2025 • 33 Fuel-ups

  Property of smganger

• 33.9 Avg MPG

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