Based on data from 75 vehicles, 4,618 fuel-ups and 1,164,123 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.58 with a 0.16 MPG margin of error.

Any Engine Type GAS (1) H4 DIESEL (1) H4 GAS (1) L4 ELECTRIC/GAS (2) L4 GAS (12) V4 GAS (1) V6 GAS (1) Any Body Style Sedan (5) Hatchback (20) Any Submodel Base (32) Turbo AWD Hatchback (32) Other (11)

Below you can see a distribution of the fuel-ups with 60 outliers (1.28%) removed.

Following shows the average MPG of each of the 75 vehicles in the system.

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• Mazda 3

  2021 Mazda 3
  Added Mar 2021 • 42 Fuel-ups

  Property of pizzataco

• 30.7 Avg MPG

• My 3 Turbo AWD

  2021 Mazda 3 Turbo PP
  Added Dec 2020 • 169 Fuel-ups

  Property of bradbanwarth

• 27.1 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Jan 2024 • 15 Fuel-ups

  Property of hcoupe

• 29.3 Avg MPG

• My 3 new

  2021 Mazda 3
  Added Aug 2021 • 164 Fuel-ups

  Property of richc804

• 25.6 Avg MPG

• Polymetal Gray 3 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 85 Fuel-ups

  Property of nismozoom

• 28.1 Avg MPG

• O-M Three

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2023 • 20 Fuel-ups

  Property of r56turbo

• 25.9 Avg MPG

• Mazda red

  2021 Mazda 3
  Added Aug 2021 • 107 Fuel-ups

  Property of sethd50

• 31.7 Avg MPG

• My 3

  2021 Mazda 3
  Added Jun 2023 • 37 Fuel-ups

  Property of Marbles_Garage

• 30.1 Avg MPG

• 2021 Mazda 3 2.5L Turbo AWD

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2021 • 147 Fuel-ups

  Property of tommyz

• 26.0 Avg MPG

• 2021 3 Premium

  2021 Mazda 3
  Added Nov 2021 • 190 Fuel-ups

  Property of SlickS21

• 32.4 Avg MPG

• Mazda3 2.5 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Dec 2020 • 202 Fuel-ups

  Property of polird

• 30.2 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Jul 2021 • 155 Fuel-ups

  Property of Rjscls

• 35.5 Avg MPG

• Sharky

  2021 Mazda 3 Turbo AWD Hatchback
  Added Mar 2023 • 52 Fuel-ups

  Property of holdtheairin

• 29.2 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Nov 2023 • 54 Fuel-ups

  Property of zacharyf

• 25.6 Avg MPG

• Mazda3

  2021 Mazda 3
  Added Apr 2021 • 150 Fuel-ups

  Property of Ashasemo

• 27.4 Avg MPG

• Mazda 3 Hatchback

  2021 Mazda 3
  Added Nov 2021 • 82 Fuel-ups

  Property of davyd

• 26.7 Avg MPG

• Mazda 3 Exceed

  2021 Mazda 3 L4 ELECTRIC/GAS Manual 6 Speed Hatchback
  Added Aug 2022 • 74 Fuel-ups

  Property of MarcoRss87

• 33.7 Avg MPG

• My 3

  2021 Mazda 3
  Added Jan 2022 • 108 Fuel-ups

  Property of chenadam

• 24.3 Avg MPG

• Taz

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2022 • 86 Fuel-ups

  Property of Jlaubers

• 25.4 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Oct 2021 • 18 Fuel-ups

  Property of sacman

• 19.1 Avg MPG

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