Based on data from 80 vehicles, 5,298 fuel-ups and 1,338,696 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.63 with a 0.15 MPG margin of error.

Any Engine Type GAS (2) H4 DIESEL (1) H4 GAS (1) L4 ELECTRIC/GAS (2) L4 GAS (13) V4 GAS (1) V6 GAS (1) Any Body Style Sedan (5) Hatchback (21) Fastback (1) Any Submodel Skyactiv-X (2) Base (32) Turbo AWD Hatchback (33) Other (13)

Below you can see a distribution of the fuel-ups with 74 outliers (1.38%) removed.

Following shows the average MPG of each of the 80 vehicles in the system.

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• Lara Raith

  2021 Mazda 3 Manual 6 Speed Hatchback
  Added Mar 2021 • 78 Fuel-ups

  Property of zillasix

• 30.5 Avg MPG

• Mazda 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Oct 2024 • 6 Fuel-ups

  Property of dantracy93

• 17.7 Avg MPG

• My Little Mazda

  2021 Mazda 3 Premium
  Added Jun 2024 • 13 Fuel-ups

  Property of HyperJMazda

• 33.9 Avg MPG

• Mazda

  2021 Mazda 3 Skyactiv-X L4 GAS Automatic 6 Speed Fastback
  Added Jan 2024 • 39 Fuel-ups

  Property of nicholas0000

• 33.6 Avg MPG

• Mazda red

  2021 Mazda 3
  Added Aug 2021 • 126 Fuel-ups

  Property of sethd50

• 31.7 Avg MPG

• Mazda3

  2021 Mazda 3 Hatchback GAS Manual 6 Speed
  Added Sep 2024 • 56 Fuel-ups

  Property of pklukeram

• 30.1 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Jan 2024 • 28 Fuel-ups

  Property of hcoupe

• 28.7 Avg MPG

• My 3 new

  2021 Mazda 3
  Added Aug 2021 • 193 Fuel-ups

  Property of richc804

• 25.7 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Jul 2021 • 190 Fuel-ups

  Property of Rjscls

• 35.4 Avg MPG

• My 3 Turbo AWD

  2021 Mazda 3 Turbo PP
  Added Dec 2020 • 204 Fuel-ups

  Property of bradbanwarth

• 26.9 Avg MPG

• Mazda3 2.5 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Dec 2020 • 239 Fuel-ups

  Property of polird

• 30.1 Avg MPG

• Mazda 3

  2021 Mazda 3
  Added Jan 2024 • 33 Fuel-ups

  Property of mabates

• 26.2 Avg MPG

• Mazda 3

  2021 Mazda 3 Skyactive-G L4 GAS
  Added Sep 2024 • 7 Fuel-ups

  Property of wucinac

• 33.3 Avg MPG

• Skoot boot

  2021 Mazda 3 Turbo AWD Hatchback
  Added Aug 2021 • 151 Fuel-ups

  Property of Dschlon

• 30.0 Avg MPG

• O-M Three

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2023 • 45 Fuel-ups

  Property of r56turbo

• 27.6 Avg MPG

• Sharky

  2021 Mazda 3 Turbo AWD Hatchback
  Added Mar 2023 • 81 Fuel-ups

  Property of holdtheairin

• 29.4 Avg MPG

• Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Apr 2021 • 200 Fuel-ups

  Property of dk1219

• 29.5 Avg MPG

• Red Rider

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Oct 2021 • 88 Fuel-ups

  Property of Red-Rider2

• 27.3 Avg MPG

• My Mazda3 Turbo

  2021 Mazda 3 AWD Turbo Sedan PP
  Added Dec 2020 • 130 Fuel-ups

  Property of Juker72

• 29.7 Avg MPG

• My 3

  2021 Mazda 3
  Added Nov 2023 • 56 Fuel-ups

  Property of mrocc6

• 31.5 Avg MPG

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