Based on data from 80 vehicles, 5,419 fuel-ups and 1,368,360 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.61 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 (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 72 outliers (1.31%) removed.

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

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• 2021 Mazda3

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Jul 2021 • 195 Fuel-ups

  Property of Rjscls

• 35.4 Avg MPG

• Taz

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2022 • 119 Fuel-ups

  Property of Jlaubers

• 25.1 Avg MPG

• Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Apr 2021 • 210 Fuel-ups

  Property of dk1219

• 29.5 Avg MPG

• My 3 Turbo AWD

  2021 Mazda 3 Turbo PP
  Added Dec 2020 • 208 Fuel-ups

  Property of bradbanwarth

• 26.9 Avg MPG

• Skoot boot

  2021 Mazda 3 Turbo AWD Hatchback
  Added Aug 2021 • 154 Fuel-ups

  Property of Dschlon

• 30.0 Avg MPG

• Mazda 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Oct 2024 • 13 Fuel-ups

  Property of dantracy93

• 19.9 Avg MPG

• Sando

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 134 Fuel-ups

  Property of pookieikoop

• 25.0 Avg MPG

• Red Rider

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Oct 2021 • 89 Fuel-ups

  Property of Red-Rider2

• 27.3 Avg MPG

• My Mazda3 Turbo

  2021 Mazda 3 AWD Turbo Sedan PP
  Added Dec 2020 • 134 Fuel-ups

  Property of Juker72

• 29.6 Avg MPG

• Mazda3

  2021 Mazda 3 Hatchback GAS Manual 6 Speed
  Added Sep 2024 • 58 Fuel-ups

  Property of pklukeram

• 30.1 Avg MPG

• Mazda3 2.5 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Dec 2020 • 245 Fuel-ups

  Property of polird

• 30.1 Avg MPG

• Sharky

  2021 Mazda 3 Turbo AWD Hatchback
  Added Mar 2023 • 86 Fuel-ups

  Property of holdtheairin

• 29.3 Avg MPG

• My 3 new

  2021 Mazda 3
  Added Aug 2021 • 197 Fuel-ups

  Property of richc804

• 25.8 Avg MPG

• Mazda3

  2021 Mazda 3 L4 GAS Manual 6 Speed Hatchback
  Added Dec 2020 • 112 Fuel-ups

  Property of rgonzales0494

• 34.4 Avg MPG

• Mazda 3 Exceed

  2021 Mazda 3 L4 ELECTRIC/GAS Manual 6 Speed Hatchback
  Added Aug 2022 • 97 Fuel-ups

  Property of MarcoRss87

• 33.5 Avg MPG

• Mazda 3

  2021 Mazda 3 Skyactive-G L4 GAS
  Added Sep 2024 • 14 Fuel-ups

  Property of wucinac

• 32.7 Avg MPG

• My 3

  2021 Mazda 3
  Added Nov 2023 • 60 Fuel-ups

  Property of mrocc6

• 31.2 Avg MPG

• Mazda 3 Hatchback

  2021 Mazda 3
  Added Nov 2021 • 99 Fuel-ups

  Property of davyd

• 26.3 Avg MPG

• 2021 Mazda Mazda3

  2021 Mazda 3 Premium
  Added Dec 2020 • 100 Fuel-ups

  Property of mvv91941

• 26.3 Avg MPG

• O-M Three

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2023 • 48 Fuel-ups

  Property of r56turbo

• 27.5 Avg MPG

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