Based on data from 253 vehicles, 27,973 fuel-ups and 7,576,790 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 462 outliers (1.62%) removed.

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

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• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2023 • 43 Fuel-ups

  Property of mimos

• 31.2 Avg MPG

• 2018 Mazda 3 Sport

  2018 Mazda 3 Sport 2.0L L4 GAS Manual 6 Speed
  Added Jul 2024 • 20 Fuel-ups

  Property of andyshank

• 33.0 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Apr 2024 • 138 Fuel-ups

  Property of Ipownyu

• 29.3 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2018 • 443 Fuel-ups

  Property of gidgetgirl

• 26.8 Avg MPG

• Bluie

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Apr 2022 • 140 Fuel-ups

  Property of TDICup2010

• 34.7 Avg MPG

• My Mazda3

  2018 Mazda 3 S 2.5L L4 GAS Manual 6 Speed
  Added Apr 2024 • 14 Fuel-ups

  Property of Izaakc3

• 29.9 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2024 • 59 Fuel-ups

  Property of Ardiberen

• 27.3 Avg MPG

• My 3 2018

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2024 • 18 Fuel-ups

  Property of jfran

• 27.5 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Standard 6 Speed
  Added Dec 2017 • 278 Fuel-ups

  Property of wbrehob

• 31.3 Avg MPG

• 2018 Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Nov 2018 • 383 Fuel-ups

  Property of ajd326

• 30.2 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.0L L4 GAS Manual 6 Speed
  Added Dec 2018 • 356 Fuel-ups

  Property of jesykaness

• 27.3 Avg MPG

• mazzie II

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Nov 2022 • 163 Fuel-ups

  Property of retardis

• 19.9 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Standard 6 Speed
  Added Jun 2018 • 421 Fuel-ups

  Property of ZoomZoomPH

• 32.3 Avg MPG

• Cherry Brah

  2018 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2024 • 31 Fuel-ups

  Property of 2Fast2Furious

• 31.7 Avg MPG

• My 3

  2018 Mazda 3 GS 2.0L L4 GAS Manual 6 Speed
  Added Feb 2019 • 526 Fuel-ups

  Property of ChadM3

• 35.7 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Oct 2020 • 278 Fuel-ups

  Property of pjohnson

• 31.8 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed Sedan
  Added Aug 2019 • 235 Fuel-ups

  Property of azraul84

• 28.5 Avg MPG

• Red Comet

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Dec 2018 • 251 Fuel-ups

  Property of milekyun

• 26.0 Avg MPG

• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added May 2019 • 80 Fuel-ups

  Property of corman84

• 30.7 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 288 Fuel-ups

  Property of jayjaypea

• 31.2 Avg MPG

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