Based on data from 80 vehicles, 5,263 fuel-ups and 1,329,166 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.62 with a 0.16 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 (1.39%) removed.

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

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• My 3 Turbo AWD

  2021 Mazda 3 Turbo PP
  Added Dec 2020 • 201 Fuel-ups

  Property of bradbanwarth

• 26.9 Avg MPG

• Mazda 3

  2021 Mazda 3
  Added Jan 2024 • 32 Fuel-ups

  Property of mabates

• 26.2 Avg MPG

• Mazda 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Oct 2024 • 5 Fuel-ups

  Property of dantracy93

• 17.3 Avg MPG

• Mazda3

  2021 Mazda 3 Hatchback GAS Manual 6 Speed
  Added Sep 2024 • 55 Fuel-ups

  Property of pklukeram

• 30.1 Avg MPG

• My Little Mazda

  2021 Mazda 3 Premium
  Added Jun 2024 • 12 Fuel-ups

  Property of HyperJMazda

• 34.1 Avg MPG

• Mazda

  2021 Mazda 3 Skyactiv-X L4 GAS Automatic 6 Speed Fastback
  Added Jan 2024 • 37 Fuel-ups

  Property of nicholas0000

• 33.6 Avg MPG

• Mazda 3

  2021 Mazda 3 Skyactive-G L4 GAS
  Added Sep 2024 • 5 Fuel-ups

  Property of wucinac

• 34.1 Avg MPG

• Sando

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 130 Fuel-ups

  Property of pookieikoop

• 24.9 Avg MPG

• Mazda 3 Exceed

  2021 Mazda 3 L4 ELECTRIC/GAS Manual 6 Speed Hatchback
  Added Aug 2022 • 94 Fuel-ups

  Property of MarcoRss87

• 33.5 Avg MPG

• Red Rider

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Oct 2021 • 87 Fuel-ups

  Property of Red-Rider2

• 27.3 Avg MPG

• My 3 new

  2021 Mazda 3
  Added Aug 2021 • 191 Fuel-ups

  Property of richc804

• 25.6 Avg MPG

• Mazda red

  2021 Mazda 3
  Added Aug 2021 • 125 Fuel-ups

  Property of sethd50

• 31.7 Avg MPG

• Skoot boot

  2021 Mazda 3 Turbo AWD Hatchback
  Added Aug 2021 • 150 Fuel-ups

  Property of Dschlon

• 30.0 Avg MPG

• Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Apr 2021 • 198 Fuel-ups

  Property of dk1219

• 29.5 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Jul 2021 • 187 Fuel-ups

  Property of Rjscls

• 35.4 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Jan 2024 • 27 Fuel-ups

  Property of hcoupe

• 28.8 Avg MPG

• 灰太狼

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Feb 2022 • 97 Fuel-ups

  Property of Wallacelau

• 24.0 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 45 Fuel-ups

  Property of Bruecken

• 24.7 Avg MPG

• O-M Three

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2023 • 44 Fuel-ups

  Property of r56turbo

• 27.6 Avg MPG

• Mazda 3 Hatch

  2021 Mazda 3
  Added Sep 2021 • 76 Fuel-ups

  Property of kimn

• 27.7 Avg MPG

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