Based on data from 49 vehicles, 5,123 fuel-ups and 1,397,054 miles of driving, the 2018 Mazda 3 Sport gets a combined Avg MPG of 30.19 with a 0.17 MPG margin of error.

Any Engine Type 2.0L L4 GAS (29) 2.5L L4 GAS (20) Any Body Style Sedan (1) Hatchback (31) Any Submodel GX (7) GT (20) GS (22)

Below you can see a distribution of the fuel-ups with 69 outliers (1.33%) removed.

Following shows the average MPG of each of the 49 vehicles in the system.

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• Mazda 3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed
  Added Mar 2023 • 154 Fuel-ups

  Property of davyboy1205

• 31.9 Avg MPG

• Mazda3 Sport

  2018 Mazda 3 Sport GX 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2019 • 330 Fuel-ups

  Property of V-mac

• 31.2 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GX 2.0L L4 GAS Manual 6 Speed
  Added Jan 2022 • 246 Fuel-ups

  Property of thatgirlalli

• 30.8 Avg MPG

• Mazda3

  2018 Mazda 3 Sport GX 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2018 • 98 Fuel-ups

  Property of Scruffy188

• 26.7 Avg MPG

• Mazda3

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2024 • 119 Fuel-ups

  Property of Chim25

• 28.0 Avg MPG

• Darren

  2018 Mazda 3 Sport GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2024 • 162 Fuel-ups

  Property of DCMCCFC

• 30.1 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed
  Added Feb 2018 • 264 Fuel-ups

  Property of JayD10

• 38.6 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2018 • 264 Fuel-ups

  Property of BluBlu

• 32.0 Avg MPG

• 2018 Mazda3 GT Sport

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Jan 2020 • 141 Fuel-ups

  Property of FollowTheLitre

• 33.0 Avg MPG

• Mr. Mazda (Sedan)

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed
  Added Jul 2018 • 197 Fuel-ups

  Property of emacek

• 28.3 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed
  Added Mar 2018 • 263 Fuel-ups

  Property of Lambone

• 32.0 Avg MPG

• 2018 Mazda3 Sport

  2018 Mazda 3 Sport GS 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Apr 2022 • 41 Fuel-ups

  Property of SamMKing

• 32.1 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Oct 2022 • 88 Fuel-ups

  Property of YMMV

• 30.0 Avg MPG

• The mexican japanese

  2018 Mazda 3 Sport GX 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2019 • 55 Fuel-ups

  Property of rxheaven

• 29.0 Avg MPG

• My 3 Sport

  2018 Mazda 3 Sport GX 2.0L L4 GAS Manual 6 Speed
  Added Nov 2018 • 176 Fuel-ups

  Property of bdg999

• 31.2 Avg MPG

• Grey Wolf

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Oct 2024 • 146 Fuel-ups

  Property of jwillispaigegmailcon

• 33.2 Avg MPG

• Blue mazda

  2018 Mazda 3 Sport GT 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2017 • 253 Fuel-ups

  Property of Majaka

• 22.5 Avg MPG

• Mazda 3

  2018 Mazda 3 Sport GS 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Jan 2024 • 137 Fuel-ups

  Property of TheRcws

• 28.1 Avg MPG

• Darren

  2018 Mazda 3 Sport GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Feb 2019 • 137 Fuel-ups

  Property of DCMCCFC

• 30.8 Avg MPG

• Max's Mazda

  2018 Mazda 3 Sport GT 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Nov 2017 • 213 Fuel-ups

  Property of Kisby

• 31.7 Avg MPG

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