Based on data from 80 vehicles, 5,590 fuel-ups and 1,410,642 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) 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 73 outliers (1.29%) removed.

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

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• Jessica 2021 Mazda 3

  2021 Mazda 3
  Added May 2021 • 164 Fuel-ups

  Property of moyerd

• 34.1 Avg MPG

• My Little Mazda

  2021 Mazda 3 Premium
  Added Jun 2024 • 15 Fuel-ups

  Property of HyperJMazda

• 33.4 Avg MPG

• Polymetal Gray 3 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 101 Fuel-ups

  Property of nismozoom

• 28.0 Avg MPG

• Mazda3 2.5T

  2021 Mazda 3 Turbo AWD Hatchback
  Added Feb 2024 • 18 Fuel-ups

  Property of Renns8

• 20.7 Avg MPG

• Mazda 3 Exceed

  2021 Mazda 3 L4 ELECTRIC/GAS Manual 6 Speed Hatchback
  Added Aug 2022 • 101 Fuel-ups

  Property of MarcoRss87

• 33.4 Avg MPG

• 2021 Mazda 3

  2021 Mazda 3 L4 GAS Automatic 6 Speed
  Added Feb 2021 • 142 Fuel-ups

  Property of journeej

• 30.1 Avg MPG

• Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Apr 2021 • 216 Fuel-ups

  Property of dk1219

• 29.4 Avg MPG

• 2021 Mazda Mazda3

  2021 Mazda 3 Premium
  Added Dec 2020 • 103 Fuel-ups

  Property of mvv91941

• 26.4 Avg MPG

• Lara Raith

  2021 Mazda 3 Manual 6 Speed Hatchback
  Added Mar 2021 • 80 Fuel-ups

  Property of zillasix

• 30.5 Avg MPG

• Mazda 3 Hatch

  2021 Mazda 3
  Added Sep 2021 • 82 Fuel-ups

  Property of kimn

• 27.6 Avg MPG

• My red hatchback

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Mar 2021 • 96 Fuel-ups

  Property of ford1953jimfu

• 33.4 Avg MPG

• Red Rider

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Oct 2021 • 90 Fuel-ups

  Property of Red-Rider2

• 27.3 Avg MPG

• Mazda3

  2021 Mazda 3
  Added Apr 2021 • 172 Fuel-ups

  Property of Ashasemo

• 27.4 Avg MPG

• Mazda red

  2021 Mazda 3
  Added Aug 2021 • 131 Fuel-ups

  Property of sethd50

• 31.6 Avg MPG

• O-M Three

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed
  Added Nov 2023 • 51 Fuel-ups

  Property of r56turbo

• 27.4 Avg MPG

• Jean's Mazda 3

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2021 • 55 Fuel-ups

  Property of Jeanpochard

• 23.0 Avg MPG

• 2021 Mazda3

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 47 Fuel-ups

  Property of Bruecken

• 24.7 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Jan 2024 • 31 Fuel-ups

  Property of hcoupe

• 28.5 Avg MPG

• Mazda

  2021 Mazda 3
  Added Sep 2024 • 93 Fuel-ups

  Property of danbeus

• 34.4 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Oct 2021 • 25 Fuel-ups

  Property of sacman

• 18.5 Avg MPG

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