Based on data from 80 vehicles, 5,294 fuel-ups and 1,337,612 miles of driving, the 2021 Mazda 3 gets a combined Avg MPG of 28.63 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 74 outliers (1.38%) removed.

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

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• My 3

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

  Property of zacharyf

• 25.9 Avg MPG

• My 3

  2021 Mazda 3
  Added Jun 2023 • 63 Fuel-ups

  Property of Marbles_Garage

• 32.6 Avg MPG

• My 3

  2021 Mazda 3
  Added Jan 2022 • 111 Fuel-ups

  Property of chenadam

• 24.7 Avg MPG

• Mazda 3

  2021 Mazda 3
  Added Mar 2021 • 42 Fuel-ups

  Property of pizzataco

• 30.7 Avg MPG

• 100th Year Anniversary

  2021 Mazda 3 Turbo AWD Hatchback Automatic 6 Speed
  Added Jul 2022 • 69 Fuel-ups

  Property of Tristenw5

• 25.1 Avg MPG

• Mazda 3 Dechra 2021

  2021 Mazda 3 i Grand Touring
  Added Feb 2021 • 96 Fuel-ups

  Property of Gu5Fuel

• 23.2 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Feb 2023 • 15 Fuel-ups

  Property of blancanblackbolt

• 23.0 Avg MPG

• Petra

  2021 Mazda 3 Turbo AWD Hatchback V6 GAS Automatic 6 Speed Hatchback
  Added Nov 2021 • 165 Fuel-ups

  Property of Draconas65

• 34.3 Avg MPG

• Mazda 3 PP Hatchback

  2021 Mazda 3 Turbo AWD Hatchback
  Added Feb 2023 • 33 Fuel-ups

  Property of sweetleader

• 27.1 Avg MPG

• Mazda 3 2021

  2021 Mazda 3
  Added May 2021 • 85 Fuel-ups

  Property of Tenchijin

• 28.2 Avg MPG

• Ruby

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

  Property of greenmonster

• 22.2 Avg MPG

• 2021 Mazda3 Turbo

  2021 Mazda 3 Turbo AWD Hatchback
  Added May 2023 • 37 Fuel-ups

  Property of Darkan

• 29.6 Avg MPG

• Mazda 3 2.5 Premium

  2021 Mazda 3 Premium H4 DIESEL
  Added Jul 2023 • 6 Fuel-ups

  Property of NaKPump

• 26.2 Avg MPG

• Mazda3

  2021 Mazda 3 Automatic 6 Speed Hatchback
  Added Aug 2021 • 33 Fuel-ups

  Property of ontario102

• 26.8 Avg MPG

• My 3

  2021 Mazda 3 Turbo AWD Hatchback
  Added Jan 2022 • 74 Fuel-ups

  Property of Ericks_LE_Miata

• 25.3 Avg MPG

• Tom's Mazda 3

  2021 Mazda 3
  Added Oct 2022 • 16 Fuel-ups

  Property of tommojohnson

• 29.3 Avg MPG

• Mazda 3 Saloon

  2021 Mazda 3 Saloon H4 GAS Automatic 6 Speed
  Added Jul 2021 • 19 Fuel-ups

  Property of gowrlea

• 33.4 Avg MPG

• 2021 Mazda3 - Rental

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Dec 2022 • 5 Fuel-ups

  Property of uswg01

• 41.8 Avg MPG

• Mazda3 2.5L Turbo AWD

  2021 Mazda 3 Premium Plus L4 GAS Automatic 6 Speed
  Added Jan 2021 • 162 Fuel-ups

  Property of jhannah69

• 31.0 Avg MPG

• Tom's Mazda 3

  2021 Mazda 3 Automatic 6 Speed Sedan
  Added Oct 2021 • 41 Fuel-ups

  Property of Itstommoj

• 30.4 Avg MPG

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