Based on data from 80 vehicles, 5,617 fuel-ups and 1,417,924 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 77 outliers (1.35%) removed.

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

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• Taz

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2022 • 130 Fuel-ups

  Property of Jlaubers

• 25.1 Avg MPG

• 2021 Mazda 3 2.5L Turbo AWD

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Mar 2021 • 185 Fuel-ups

  Property of tommyz

• 25.7 Avg MPG

• Mazda 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Oct 2024 • 21 Fuel-ups

  Property of dantracy93

• 20.3 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 48 Fuel-ups

  Property of Bruecken

• 24.7 Avg MPG

• Mazda red

  2021 Mazda 3
  Added Aug 2021 • 133 Fuel-ups

  Property of sethd50

• 31.5 Avg MPG

• My 3 new

  2021 Mazda 3
  Added Aug 2021 • 207 Fuel-ups

  Property of richc804

• 25.9 Avg MPG

• Mazda3 2.5 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Dec 2020 • 256 Fuel-ups

  Property of polird

• 30.1 Avg MPG

• My 3

  2021 Mazda 3
  Added Nov 2023 • 81 Fuel-ups

  Property of mrocc6

• 30.9 Avg MPG

• Skoot boot

  2021 Mazda 3 Turbo AWD Hatchback
  Added Aug 2021 • 160 Fuel-ups

  Property of Dschlon

• 29.9 Avg MPG

• Jessica 2021 Mazda 3

  2021 Mazda 3
  Added May 2021 • 165 Fuel-ups

  Property of moyerd

• 34.1 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Jul 2021 • 206 Fuel-ups

  Property of Rjscls

• 35.3 Avg MPG

• Mazda

  2021 Mazda 3
  Added Sep 2024 • 94 Fuel-ups

  Property of danbeus

• 34.4 Avg MPG

• Mazda

  2021 Mazda 3 Skyactiv-X L4 GAS Automatic 6 Speed
  Added Jan 2024 • 46 Fuel-ups

  Property of nicholas0000

• 31.0 Avg MPG

• Mazda 3 Exceed

  2021 Mazda 3 L4 ELECTRIC/GAS Manual 6 Speed Hatchback
  Added Aug 2022 • 102 Fuel-ups

  Property of MarcoRss87

• 33.5 Avg MPG

• 2021 Mazda Mazda3

  2021 Mazda 3 Premium
  Added Dec 2020 • 104 Fuel-ups

  Property of mvv91941

• 26.4 Avg MPG

• Mazda 3 Hatch

  2021 Mazda 3
  Added Sep 2021 • 83 Fuel-ups

  Property of kimn

• 27.9 Avg MPG

• Mazda 3

  2021 Mazda 3 Skyactive-G L4 GAS
  Added Sep 2024 • 26 Fuel-ups

  Property of wucinac

• 32.6 Avg MPG

• Jean's Mazda 3

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2021 • 56 Fuel-ups

  Property of Jeanpochard

• 23.0 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

• Red Rider

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Oct 2021 • 91 Fuel-ups

  Property of Red-Rider2

• 27.3 Avg MPG

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