Based on data from 515 vehicles, 52,805 fuel-ups and 15,007,459 miles of driving, the 2015 Mazda 3 gets a combined Avg MPG of 31.06 with a 0.05 MPG margin of error.

Any Engine Type 2.0L L4 GAS (329) 2.5L L4 GAS (118) GAS (1) L4 DIESEL (6) L4 GAS (16) Any Body Style Sedan (99) Hatchback (130) Any Submodel Touring+ (3) MAXX (5) S (8) Sport (9) i SV (11) i (15) GX (18) GT (25) s Touring (26) Base (29) I Sport (38) GS (45) s Grand Touring (45) i Grand Touring (62) I Touring (119) Other (57)

Below you can see a distribution of the fuel-ups with 1198 outliers (2.22%) removed.

Following shows the average MPG of each of the 515 vehicles in the system.

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• The Hatch

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Mar 2023 • 9 Fuel-ups

  Property of ChungusOps

• 39.1 Avg MPG

• Mike

  2015 Mazda 3 I Touring 2.0L L4 GAS Hatchback
  Added Jul 2023 • 528 Fuel-ups

  Property of mpgillenwater

• 37.1 Avg MPG

• Tim mazda 3 i touring

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Dec 2017 • 265 Fuel-ups

  Property of fightinbeavs

• 30.1 Avg MPG

• Mazda

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Oct 2017 • 242 Fuel-ups

  Property of rbylls

• 34.1 Avg MPG

• Maul

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed
  Added Mar 2022 • 47 Fuel-ups

  Property of Vader85

• 28.4 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Manual 6 Speed Hatchback
  Added Nov 2019 • 16 Fuel-ups

  Property of garrettc134

• 36.8 Avg MPG

• Mazda

  2015 Mazda 3
  Added Apr 2019 • 105 Fuel-ups

  Property of jazzinj

• 30.4 Avg MPG

• Dad's Car

  2015 Mazda 3 i SV 2.0L L4 GAS Automatic 6 Speed
  Added Apr 2019 • 511 Fuel-ups

  Property of jonquigley

• 36.3 Avg MPG

• 2015 Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed Hatchback
  Added Aug 2019 • 814 Fuel-ups

  Property of spamme

• 26.0 Avg MPG

• My 3

  2015 Mazda 3 i 2.0L L4 GAS Automatic 6 Speed
  Added Jan 2018 • 212 Fuel-ups

  Property of Bomb

• 24.6 Avg MPG

• Mazda3

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 24 Fuel-ups

  Property of boyetfm

• 25.2 Avg MPG

• Felisha IV

  2015 Mazda 3 s Grand Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Feb 2020 • 142 Fuel-ups

  Property of chrisco78

• 29.9 Avg MPG

• My 3

  2015 Mazda 3 s Touring 2.5L L4 GAS Manual 6 Speed Hatchback
  Added Jun 2022 • 103 Fuel-ups

  Property of graffite996

• 32.3 Avg MPG

• Mazda3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Hatchback
  Added Oct 2021 • 7 Fuel-ups

  Property of brettcoon

• 58.8 Avg MPG

• My 3

  2015 Mazda 3 I Sport 2.0L L4 GAS Manual 6 Speed
  Added May 2021 • 63 Fuel-ups

  Property of tjc254

• 37.9 Avg MPG

• St1b

  2015 Mazda 3 GT 2.5L L4 GAS Automatic 6 Speed Sedan
  Added Dec 2021 • 47 Fuel-ups

  Property of itsjego

• 27.8 Avg MPG

• Mazda 3

  2015 Mazda 3 I Touring 2.0L L4 GAS Automatic 6 Speed
  Added Aug 2019 • 87 Fuel-ups

  Property of davidoc85

• 32.3 Avg MPG

• Mazda

  2015 Mazda 3 s Touring 2.5L L4 GAS Automatic 6 Speed
  Added Mar 2017 • 377 Fuel-ups

  Property of bagrossi

• 29.0 Avg MPG

• My 3

  2015 Mazda 3 i Grand Touring 2.0L L4 GAS Automatic 6 Speed
  Added Oct 2021 • 51 Fuel-ups

  Property of hdaniel1196

• 28.8 Avg MPG

• Mazda 3 Skyactiv

  2015 Mazda 3 i 2.0L L4 GAS Automatic 6 Speed
  Added Sep 2016 • 205 Fuel-ups

  Property of louiscsc

• 26.2 Avg MPG

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