Based on data from 253 vehicles, 27,663 fuel-ups and 7,496,414 miles of driving, the 2018 Mazda 3 gets a combined Avg MPG of 29.97 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 453 outliers (1.61%) removed.

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

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• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2019 • 418 Fuel-ups

  Property of jmeister

• 32.9 Avg MPG

• Maz3 LK

  2018 Mazda 3 I Touring 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2023 • 49 Fuel-ups

  Property of jazzman27

• 30.6 Avg MPG

• Mazda 3GS

  2018 Mazda 3 GS 2.0L L4 GAS Standard 6 Speed Sedan
  Added Jul 2018 • 303 Fuel-ups

  Property of Pinball

• 33.5 Avg MPG

• Red Comet

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Dec 2018 • 245 Fuel-ups

  Property of milekyun

• 26.0 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2024 • 48 Fuel-ups

  Property of Ardiberen

• 26.9 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Sep 2022 • 31 Fuel-ups

  Property of jaden

• 29.1 Avg MPG

• My 3

  2018 Mazda 3 GS 2.0L L4 GAS Manual 6 Speed
  Added Feb 2019 • 518 Fuel-ups

  Property of ChadM3

• 35.7 Avg MPG

• Woo Woo

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2019 • 192 Fuel-ups

  Property of Cacceleration

• 29.6 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.0L L4 GAS Manual 6 Speed
  Added Dec 2018 • 352 Fuel-ups

  Property of jesykaness

• 27.2 Avg MPG

• 2018 Mazda 3 Sport

  2018 Mazda 3 Sport 2.0L L4 GAS Manual 6 Speed
  Added Jul 2024 • 12 Fuel-ups

  Property of andyshank

• 31.9 Avg MPG

• Mazda 3 hatchback

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Jun 2019 • 293 Fuel-ups

  Property of subspace23

• 27.5 Avg MPG

• Mazda 3

  2018 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2019 • 248 Fuel-ups

  Property of snowdud

• 33.7 Avg MPG

• Mazda3

  2018 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added May 2018 • 135 Fuel-ups

  Property of vriou

• 34.4 Avg MPG

• Pimento Mazda

  2018 Mazda 3 G 2.0L L4 GAS Manual 6 Speed
  Added Sep 2021 • 97 Fuel-ups

  Property of emacek

• 26.9 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2019 • 231 Fuel-ups

  Property of azraul84

• 28.4 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Apr 2024 • 132 Fuel-ups

  Property of Ipownyu

• 29.4 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 436 Fuel-ups

  Property of gidgetgirl

• 26.8 Avg MPG

• Mazda3 5-door GT

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added Oct 2017 • 354 Fuel-ups

  Property of kkilleen

• 33.6 Avg MPG

• 2018 Mazda 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Mar 2018 • 209 Fuel-ups

  Property of OyamaVFR

• 26.3 Avg MPG

• Ed’s Mazda 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Dec 2018 • 436 Fuel-ups

  Property of iyoulow

• 29.4 Avg MPG

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