Based on data from 80 vehicles, 5,659 fuel-ups and 1,428,530 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.58 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 (20) Any Submodel Skyactiv-X (2) Base (32) Turbo AWD Hatchback (33) Other (13)

Below you can see a distribution of the fuel-ups with 75 outliers (1.31%) removed.

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

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• My 3 new

  2021 Mazda 3
  Added Aug 2021 • 210 Fuel-ups

  Property of richc804

• 26.0 Avg MPG

• My 3 Turbo AWD

  2021 Mazda 3 Turbo PP
  Added Dec 2020 • 215 Fuel-ups

  Property of bradbanwarth

• 26.8 Avg MPG

• 2021 Mazda 3 2.5L Turbo AWD

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2021 • 186 Fuel-ups

  Property of tommyz

• 25.7 Avg MPG

• 灰太狼

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Feb 2022 • 106 Fuel-ups

  Property of Wallacelau

• 24.1 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Jan 2024 • 32 Fuel-ups

  Property of hcoupe

• 28.5 Avg MPG

• Mazda 3

  2021 Mazda 3 Skyactive-G L4 GAS
  Added Sep 2024 • 30 Fuel-ups

  Property of wucinac

• 32.5 Avg MPG

• Red Rider

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Oct 2021 • 92 Fuel-ups

  Property of Red-Rider2

• 27.2 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Jul 2021 • 209 Fuel-ups

  Property of Rjscls

• 35.3 Avg MPG

• My 3

  2021 Mazda 3
  Added Nov 2023 • 83 Fuel-ups

  Property of mrocc6

• 30.9 Avg MPG

• Mazda3

  2021 Mazda 3 Hatchback GAS Manual 6 Speed
  Added Sep 2024 • 64 Fuel-ups

  Property of pklukeram

• 30.1 Avg MPG

• My Mazda3 Turbo

  2021 Mazda 3 AWD Turbo Sedan PP
  Added Dec 2020 • 140 Fuel-ups

  Property of Juker72

• 29.4 Avg MPG

• Taz

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2022 • 132 Fuel-ups

  Property of Jlaubers

• 25.0 Avg MPG

• 2021 Mazda Mazda3

  2021 Mazda 3 Premium
  Added Dec 2020 • 105 Fuel-ups

  Property of mvv91941

• 26.4 Avg MPG

• Mazda3

  2021 Mazda 3 L4 GAS Manual 6 Speed Hatchback
  Added Dec 2020 • 118 Fuel-ups

  Property of rgonzales0494

• 34.3 Avg MPG

• Mazda 3 Exceed

  2021 Mazda 3 L4 ELECTRIC/GAS Manual 6 Speed Hatchback
  Added Aug 2022 • 103 Fuel-ups

  Property of MarcoRss87

• 33.5 Avg MPG

• Skoot boot

  2021 Mazda 3 Turbo AWD Hatchback
  Added Aug 2021 • 161 Fuel-ups

  Property of Dschlon

• 29.9 Avg MPG

• Mazda3 2.5 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Dec 2020 • 258 Fuel-ups

  Property of polird

• 30.1 Avg MPG

• My Little Mazda

  2021 Mazda 3 Premium
  Added Jun 2024 • 16 Fuel-ups

  Property of HyperJMazda

• 33.2 Avg MPG

• Mazda red

  2021 Mazda 3
  Added Aug 2021 • 134 Fuel-ups

  Property of sethd50

• 31.5 Avg MPG

• Mazda 3 Hatchback

  2021 Mazda 3
  Added Nov 2021 • 103 Fuel-ups

  Property of davyd

• 26.3 Avg MPG

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