Based on data from 54 vehicles, 4,175 fuel-ups and 1,116,702 miles of driving, the 2020 Mazda 3 gets a combined Avg MPG of 30.17 with a 0.21 MPG margin of error.

Any Engine Type 2.0L L4 GAS (3) 2.5L L4 GAS (41) 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 (7) Base (8) Premium (22) Other (6)

Below you can see a distribution of the fuel-ups with 141 outliers (3.27%) removed.

Following shows the average MPG of each of the 54 vehicles in the system.

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• My 3

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2023 • 32 Fuel-ups

  Property of saltie95

• 30.0 Avg MPG

• My 3

  2020 Mazda 3 Preferred 2.5L L4 GAS Automatic 6 Speed
  Added May 2024 • 25 Fuel-ups

  Property of allforza2

• 33.6 Avg MPG

• Shelby

  2020 Mazda 3 2.5L L4 GAS Automatic 6 Speed
  Added May 2023 • 48 Fuel-ups

  Property of JHunter927

• 26.3 Avg MPG

• 2020 Mazda3

  2020 Mazda 3 Premium 2.5L L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2022 • 83 Fuel-ups

  Property of sfjacobs

• 27.3 Avg MPG

• Godspeed

  2020 Mazda 3 Preferred 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Feb 2023 • 80 Fuel-ups

  Property of fuelly341

• 33.1 Avg MPG

• 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

• 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

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