Based on data from 66 vehicles, 3,411 fuel-ups and 848,750 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.58 with a 0.19 MPG margin of error.

Any Engine Type GAS (1) H4 GAS (1) L4 ELECTRIC/GAS (2) L4 GAS (10) V4 GAS (1) V6 GAS (1) Any Body Style Sedan (6) Hatchback (17) Any Submodel Turbo AWD Hatchback (28) Base (29) Other (9)

Below you can see a distribution of the fuel-ups with 43 outliers (1.24%) removed.

Following shows the average MPG of each of the 66 vehicles in the system.

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• Mazda3 2.5 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Dec 2020 • 148 Fuel-ups

  Property of polird

• 30.3 Avg MPG

• Mazda3

  2021 Mazda 3 L4 GAS Manual 6 Speed Hatchback
  Added Dec 2020 • 65 Fuel-ups

  Property of rgonzales0494

• 34.4 Avg MPG

• 2021 Mazda 3

  2021 Mazda 3 L4 GAS Automatic 6 Speed
  Added Feb 2021 • 74 Fuel-ups

  Property of journeej

• 29.9 Avg MPG

• Mazda 3 2021

  2021 Mazda 3
  Added May 2021 • 69 Fuel-ups

  Property of Tenchijin

• 28.6 Avg MPG

• Mazda 3 Turbo PP

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Feb 2022 • 60 Fuel-ups

  Property of Wallacelau

• 24.7 Avg MPG

• 2021 Mazda Mazda3

  2021 Mazda 3 Premium
  Added Dec 2020 • 56 Fuel-ups

  Property of mvv91941

• 26.6 Avg MPG

• 2021 Mazda3 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2023 • 4 Fuel-ups

  Property of Darkan

• 28.7 Avg MPG

• 100th Year Anniversary

  2021 Mazda 3 Turbo AWD Hatchback Automatic 6 Speed
  Added Jul 2022 • 55 Fuel-ups

  Property of Tristenw5

• 24.7 Avg MPG

• Sharks

  2021 Mazda 3 Turbo AWD Hatchback
  Added Mar 2023 • 10 Fuel-ups

  Property of holdtheairin

• 30.9 Avg MPG

• Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added Apr 2021 • 118 Fuel-ups

  Property of dk1219

• 28.6 Avg MPG

• Mazda 3 Exceed

  2021 Mazda 3 L4 ELECTRIC/GAS Manual 6 Speed Hatchback
  Added Aug 2022 • 47 Fuel-ups

  Property of MarcoRss87

• 33.6 Avg MPG

• Red Rider

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Oct 2021 • 47 Fuel-ups

  Property of Red-Rider2

• 27.5 Avg MPG

• Lara Raith

  2021 Mazda 3 Manual 6 Speed Hatchback
  Added Mar 2021 • 51 Fuel-ups

  Property of zillasix

• 29.3 Avg MPG

• Polymetal Gray 3 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2021 • 64 Fuel-ups

  Property of nismozoom

• 27.9 Avg MPG

• Petra

  2021 Mazda 3 Turbo AWD Hatchback V6 GAS Automatic 6 Speed Hatchback
  Added Nov 2021 • 131 Fuel-ups

  Property of Draconas65

• 34.4 Avg MPG

• Taz

  2021 Mazda 3 Turbo AWD Hatchback L4 GAS Automatic 6 Speed Hatchback
  Added Nov 2022 • 38 Fuel-ups

  Property of Jlaubers

• 26.2 Avg MPG

• My 3 new

  2021 Mazda 3
  Added Aug 2021 • 117 Fuel-ups

  Property of richc804

• 25.9 Avg MPG

• Mazda 3 Hatch

  2021 Mazda 3
  Added Sep 2021 • 46 Fuel-ups

  Property of kimn

• 28.8 Avg MPG

• Mazda 3 PP Hatchback

  2021 Mazda 3 Turbo AWD Hatchback
  Added Feb 2023 • 13 Fuel-ups

  Property of sweetleader

• 26.9 Avg MPG

• Mazda3

  2021 Mazda 3
  Added Apr 2021 • 115 Fuel-ups

  Property of Ashasemo

• 27.0 Avg MPG

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