Based on data from 244 vehicles, 26,070 fuel-ups and 7,043,666 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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• Mazda3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2019 • 88 Fuel-ups

  Property of baker269

• 27.8 Avg MPG

• Mazda 18

  2018 Mazda 3 S 2.5L L4 GAS Manual 6 Speed
  Added Nov 2018 • 72 Fuel-ups

  Property of alexsaldua

• 30.7 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Nov 2020 • 78 Fuel-ups

  Property of stevnpham

• 25.6 Avg MPG

• Blue Car

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2022 • 272 Fuel-ups

  Property of bigj231

• 32.9 Avg MPG

• Mazda3 Hatchback

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2019 • 54 Fuel-ups

  Property of JShaul

• 26.5 Avg MPG

• Maury the Mazda

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added Feb 2021 • 73 Fuel-ups

  Property of AdamSC1997

• 29.4 Avg MPG

• Echo

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2020 • 235 Fuel-ups

  Property of acaberer89

• 29.4 Avg MPG

• Three

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed Sedan
  Added Apr 2021 • 60 Fuel-ups

  Property of MadrigalRose

• 34.4 Avg MPG

• Mazda 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Feb 2020 • 44 Fuel-ups

  Property of bhaze037

• 24.5 Avg MPG

• Mazda 3 Manual

  2018 Mazda 3 Sport 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2021 • 50 Fuel-ups

  Property of Kuripot_Kevin

• 37.2 Avg MPG

• My 3

  2018 Mazda 3 Touring 2.5L L4 GAS Manual 6 Speed
  Added Dec 2018 • 70 Fuel-ups

  Property of smallen13

• 28.8 Avg MPG

• Mazda 3

  2018 Mazda 3 SP25 Astina L4 GAS
  Added Jun 2019 • 45 Fuel-ups

  Property of h22sean

• 31.1 Avg MPG

• Lars

  2018 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 153 Fuel-ups

  Property of ricardodavidson1

• 24.9 Avg MPG

• Mazda3

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2019 • 80 Fuel-ups

  Property of khoroshavtsev

• 28.6 Avg MPG

• Sassy

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Feb 2019 • 74 Fuel-ups

  Property of Ms_burdette

• 28.5 Avg MPG

• Elsa

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Aug 2018 • 145 Fuel-ups

  Property of lovemysantafe

• 29.3 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport 2.0L L4 GAS Automatic 6 Speed
  Added Oct 2018 • 48 Fuel-ups

  Property of lacpa

• 30.4 Avg MPG

• Mazda 3

  2018 Mazda 3 Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2019 • 72 Fuel-ups

  Property of starling72

• 29.0 Avg MPG

• Mazda 3 Hatch

  2018 Mazda 3 Touring 2.5L L4 GAS Automatic 6 Speed
  Added May 2020 • 24 Fuel-ups

  Property of wikid_one

• 33.0 Avg MPG

• My 3

  2018 Mazda 3 Grand Touring 2.5L L4 GAS Manual 6 Speed
  Added Jan 2019 • 150 Fuel-ups

  Property of usarmd

• 37.7 Avg MPG

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