Based on data from 79 vehicles, 5,527 fuel-ups and 1,391,158 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.56 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 (12)

Below you can see a distribution of the fuel-ups with 76 outliers (1.36%) removed.

Following shows the average MPG of each of the 79 vehicles in the system.

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• Mazda 3 Hatchback

  2021 Mazda 3
  Added Nov 2021 • 103 Fuel-ups

  Property of davyd

• 26.3 Avg MPG

• Sharky

  2021 Mazda 3 Turbo AWD Hatchback
  Added Mar 2023 • 95 Fuel-ups

  Property of holdtheairin

• 29.0 Avg MPG

• Sando

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 144 Fuel-ups

  Property of pookieikoop

• 25.2 Avg MPG

• Mazda 3 Hatch

  2021 Mazda 3
  Added Sep 2021 • 84 Fuel-ups

  Property of kimn

• 27.8 Avg MPG

• 2021 Mazda 3

  2021 Mazda 3 L4 GAS Automatic 6 Speed
  Added Feb 2021 • 143 Fuel-ups

  Property of journeej

• 30.1 Avg MPG

• Mazda

  2021 Mazda 3 Skyactiv-X L4 GAS Automatic 6 Speed
  Added Jan 2024 • 47 Fuel-ups

  Property of nicholas0000

• 31.0 Avg MPG

• Mazda 3

  2021 Mazda 3
  Added Jan 2024 • 40 Fuel-ups

  Property of mabates

• 26.1 Avg MPG

• Polymetal Gray 3 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 102 Fuel-ups

  Property of nismozoom

• 28.0 Avg MPG

• Mazda3 2.5T

  2021 Mazda 3 Turbo AWD Hatchback
  Added Feb 2024 • 19 Fuel-ups

  Property of Renns8

• 20.5 Avg MPG

• Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Apr 2021 • 218 Fuel-ups

  Property of dk1219

• 29.4 Avg MPG

• My red hatchback

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Mar 2021 • 97 Fuel-ups

  Property of ford1953jimfu

• 33.4 Avg MPG

• My 3

  2021 Mazda 3 Skyactiv-X
  Added Jul 2024 • 13 Fuel-ups

  Property of Ivan852

• 35.5 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 Turbo AWD Hatchback
  Added May 2021 • 48 Fuel-ups

  Property of Bruecken

• 24.7 Avg MPG

• Mazda

  2021 Mazda 3
  Added Sep 2024 • 94 Fuel-ups

  Property of danbeus

• 34.4 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
  Added Apr 2021 • 172 Fuel-ups

  Property of Ashasemo

• 27.4 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

• My 3

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

  Property of sacman

• 18.5 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Nov 2023 • 71 Fuel-ups

  Property of zacharyf

• 25.9 Avg MPG

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