Based on data from 52 vehicles, 3,604 fuel-ups and 950,940 miles of driving, the 2020 Mazda 3 gets a combined Avg MPG of 29.90 with a 0.23 MPG margin of error.

Any Engine Type 2.0L L4 GAS (3) 2.5L L4 GAS (39) L4 GAS (3) Any Body Style Sedan (8) Hatchback (14) Any Submodel GX (1) I Sport (1) GT (2) Select (2) i Grand Touring (2) GS (3) Preferred (6) Base (8) Premium (21) Other (6)

Below you can see a distribution of the fuel-ups with 110 outliers (2.96%) removed.

Following shows the average MPG of each of the 52 vehicles in the system.

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• Mazda3

  2020 Mazda 3 Select 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2023 • 25 Fuel-ups

  Property of pacman

• 27.4 Avg MPG

• Makoto

  2020 Mazda 3 Premium 2.5L L4 GAS Manual 6 Speed Hatchback
  Added May 2020 • 27 Fuel-ups

  Property of andrewc

• 31.5 Avg MPG

• Shelby

  2020 Mazda 3 2.5L L4 GAS Automatic 6 Speed
  Added May 2023 • 43 Fuel-ups

  Property of JHunter927

• 26.8 Avg MPG

• Mazda 3

  2020 Mazda 3 G150 Plus L4 GAS
  Added Dec 2020 • 69 Fuel-ups

  Property of boroxman

• 30.5 Avg MPG

• Mazdabator Mako

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Aug 2020 • 179 Fuel-ups

  Property of wagonsrulemyroad

• 27.9 Avg MPG

• My 3

  2020 Mazda 3 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2023 • 5 Fuel-ups

  Property of jkmbull

• 23.8 Avg MPG

• My 3

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed
  Added Feb 2023 • 35 Fuel-ups

  Property of danallred

• 36.7 Avg MPG

• 隼子 二

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Feb 2020 • 47 Fuel-ups

  Property of BobDawg

• 30.1 Avg MPG

• Mazda3

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2020 • 269 Fuel-ups

  Property of newerd

• 31.8 Avg MPG

• Hatch

  2020 Mazda 3 Preferred 2.5L L4 GAS Automatic 6 Speed
  Added Aug 2020 • 171 Fuel-ups

  Property of ajtauro

• 24.5 Avg MPG

• Mazda 3

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed
  Added May 2020 • 58 Fuel-ups

  Property of Goldieluck

• 21.7 Avg MPG

• My 3

  2020 Mazda 3 Preferred 2.5L L4 GAS Automatic 6 Speed
  Added Jun 2021 • 84 Fuel-ups

  Property of araymorris2

• 23.6 Avg MPG

• Her Imperial Majesty

  2020 Mazda 3 2.5L L4 GAS Automatic 6 Speed
  Added Jul 2022 • 24 Fuel-ups

  Property of EpsilonCW

• 30.0 Avg MPG

• 2020 Mazda 3

  2020 Mazda 3 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Jul 2021 • 165 Fuel-ups

  Property of Diremonk

• 27.3 Avg MPG

• Ummay Mazda 3

  2020 Mazda 3 i Grand Touring 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2022 • 18 Fuel-ups

  Property of sAm2sAm

• 25.3 Avg MPG

• Mazda 3

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed
  Added Oct 2020 • 74 Fuel-ups

  Property of clature

• 27.5 Avg MPG

• My 3

  2020 Mazda 3 GS 2.0L L4 GAS Automatic 6 Speed
  Added Oct 2022 • 7 Fuel-ups

  Property of alansands

• 35.6 Avg MPG

• Mazda 3

  2020 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Apr 2022 • 15 Fuel-ups

  Property of Oztorro

• 25.0 Avg MPG

• Amy’s 2020 Mazda 3

  2020 Mazda 3 Premium
  Added Mar 2020 • 42 Fuel-ups

  Property of alt1020

• 26.3 Avg MPG

• Poly

  2020 Mazda 3 Sportsback
  Added Jul 2020 • 45 Fuel-ups

  Property of tigerdoods

• 26.8 Avg MPG

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