Based on data from 244 vehicles, 26,057 fuel-ups and 7,039,866 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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• Trinity

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added May 2021 • 116 Fuel-ups

  Property of Cowens621

• 28.1 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2023 • 37 Fuel-ups

  Property of mimos

• 31.3 Avg MPG

• Pimento Mazda

  2018 Mazda 3 G 2.0L L4 GAS Manual 6 Speed
  Added Sep 2021 • 81 Fuel-ups

  Property of emacek

• 27.2 Avg MPG

• ‘18 Mazda 3 SE

  2018 Mazda 3 SE 2.0L L4 GAS Automatic 6 Speed
  Added May 2022 • 80 Fuel-ups

  Property of fastNugly

• 30.4 Avg MPG

• Mazda 3

  2018 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2019 • 237 Fuel-ups

  Property of snowdud

• 33.8 Avg MPG

• Cherry

  2018 Mazda 3 S 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jul 2020 • 54 Fuel-ups

  Property of pvantonio

• 21.9 Avg MPG

• Ruby

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2018 • 107 Fuel-ups

  Property of mhamblen

• 30.9 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Aug 2019 • 163 Fuel-ups

  Property of chuck07

• 33.4 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added May 2019 • 71 Fuel-ups

  Property of corman84

• 30.8 Avg MPG

• Mazda3 5-door GT

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added Oct 2017 • 333 Fuel-ups

  Property of kkilleen

• 33.7 Avg MPG

• Mazda 3

  2018 Mazda 3 G 2,0L L4 GAS Manual 6 Speed Sedan
  Added Dec 2018 • 136 Fuel-ups

  Property of mecka123

• 33.0 Avg MPG

• My 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2023 • 13 Fuel-ups

  Property of dirtbaglucy

• 22.2 Avg MPG

• Caitlyn’s 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2018 • 163 Fuel-ups

  Property of scherger

• 28.9 Avg MPG

• Mazda

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Oct 2018 • 126 Fuel-ups

  Property of elenio

• 28.4 Avg MPG

• Alailse

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2022 • 52 Fuel-ups

  Property of tarpy

• 23.6 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Sep 2022 • 22 Fuel-ups

  Property of jaden

• 29.6 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added May 2023 • 172 Fuel-ups

  Property of hurdle6639

• 28.5 Avg MPG

• 2018 Mazda3 [Rally Hatch]

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Feb 2020 • 62 Fuel-ups

  Property of thresham

• 28.0 Avg MPG

• Little Blue Go Kart

  2018 Mazda 3 Sport 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Aug 2018 • 195 Fuel-ups

  Property of pittim77

• 36.1 Avg MPG

• MAZDA 3 2018

  2018 Mazda 3 GX H4 GAS Automatic 6 Speed Hatchback
  Added Sep 2018 • 102 Fuel-ups

  Property of kahahansi

• 30.6 Avg MPG

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